{"id":7800,"date":"2025-04-04T00:58:17","date_gmt":"2025-04-03T17:58:17","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=7800"},"modified":"2025-06-28T23:30:04","modified_gmt":"2025-06-28T16:30:04","slug":"cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/","title":{"rendered":"C\u00e1ch h\u1ecdc ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 d\u1ec5 hi\u1ec3u nh\u1ea5t"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_cong_tru_co_nho_trong_pham_vi_1000_lop_2_la_gi\" >B\u00e0i t\u1eadp c\u1ed9ng tr\u1eeb c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 l\u1edbp 2 l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Nhung_kho_khan_khi_be_lam_bai_tap_phep_cong_co_nho_trong_pham_vi_1000\" >Nh\u1eefng kh\u00f3 kh\u0103n khi b\u00e9 l\u00e0m b\u00e0i t\u1eadp ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Cac_con_khong_hieu_phep_cong_co_nho_la_phep_cong_nhu_the_nao\" >C\u00e1c con kh\u00f4ng hi\u1ec3u ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb l\u00e0 ph\u00e9p c\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Cac_ban_nho_khong_nam_duoc_so_dem_voi_pham_vi_len_den_1000\" >C\u00e1c b\u1ea1n nh\u1ecf kh\u00f4ng n\u1eafm \u0111\u01b0\u1ee3c s\u1ed1 \u0111\u1ebfm v\u1edbi ph\u1ea1m vi l\u00ean \u0111\u1ebfn 1000<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Xuat_hien_nhieu_dang_toan_kho_khien_cho_cac_con_khong_biet_lam_sao\" >Xu\u1ea5t hi\u1ec7n nhi\u1ec1u d\u1ea1ng to\u00e1n kh\u00f3 khi\u1ebfn cho c\u00e1c con kh\u00f4ng bi\u1ebft l\u00e0m sao?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Cac_be_bi_nham_khi_tinh_toan_do_cac_so_trong_pham_vi_1000_rat_lon\" >C\u00e1c b\u00e9 b\u1ecb nh\u1ea7m khi t\u00ednh to\u00e1n do c\u00e1c s\u1ed1 trong ph\u1ea1m vi 1000 r\u1ea5t l\u1edbn<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#5_dang_toan_lop_2_khi_hoc_phep_cong_co_nho_pham_vi_1000\" >5 d\u1ea1ng to\u00e1n l\u1edbp 2 khi h\u1ecdc ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb ph\u1ea1m vi 1000<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Dang_1_Tinh_nham\" >D\u1ea1ng 1: T\u00ednh nh\u1ea9m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Dang_2_Dat_tinh_roi_tinh\" >D\u1ea1ng 2: \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Dang_3_Giai_toan_co_loi_van\" >D\u1ea1ng 3: Gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Dang_4_So_sanh\" >D\u1ea1ng 4: So s\u00e1nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Dang_5_Tim_x\" >D\u1ea1ng 5: T\u00ecm x\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_toan_lop_2_phep_cong_co_nho_trong_pham_vi_1000_de_be_tu_luyen\" >B\u00e0i t\u1eadp to\u00e1n l\u1edbp 2 ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 \u0111\u1ec3 b\u00e9 t\u1ef1 luy\u1ec7n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_1\" >B\u00e0i t\u1eadp 1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_2\" >B\u00e0i t\u1eadp 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_3\" >B\u00e0i t\u1eadp 3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_4\" >B\u00e0i t\u1eadp 4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_5\" >B\u00e0i t\u1eadp 5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_6\" >B\u00e0i t\u1eadp 6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_7\" >B\u00e0i t\u1eadp 7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_8\" >B\u00e0i t\u1eadp 8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_9\" >B\u00e0i t\u1eadp 9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_10\" >B\u00e0i t\u1eadp 10<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_11\" >B\u00e0i t\u1eadp 11<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_12\" >B\u00e0i t\u1eadp 12<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_13\" >B\u00e0i t\u1eadp 13<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_14\" >B\u00e0i t\u1eadp 14<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_15\" >B\u00e0i t\u1eadp 15<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_16\" >B\u00e0i t\u1eadp 16<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_17\" >B\u00e0i t\u1eadp 17<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_18\" >B\u00e0i t\u1eadp 18<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_19\" >B\u00e0i t\u1eadp 19<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_20\" >B\u00e0i t\u1eadp 20<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_21\" >B\u00e0i t\u1eadp 21<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_22\" >B\u00e0i t\u1eadp 22<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_23\" >B\u00e0i t\u1eadp 23<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_24\" >B\u00e0i t\u1eadp 24<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_25\" >B\u00e0i t\u1eadp 25<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_26\" >B\u00e0i t\u1eadp 26<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_27\" >B\u00e0i t\u1eadp 27<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_28\" >B\u00e0i t\u1eadp 28<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_29\" >B\u00e0i t\u1eadp 29<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bai_tap_30\" >B\u00e0i t\u1eadp 30<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bi_quyet_giup_be_hoc_toan_lop_2_phep_cong_co_nho_pham_vi_1000_hieu_qua\" >B\u00ed quy\u1ebft gi\u00fap b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 2 ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb ph\u1ea1m vi 1000 hi\u1ec7u qu\u1ea3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Cho_con_hoc_toan_voi_Shining_Home_%E2%80%93_Gia_dinh_Anh_Ngu_Math\" >Cho con h\u1ecdc to\u00e1n v\u1edbi Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Cho_cac_ban_nho_su_dung_nhung_cong_cu_ho_tro_hoc_tap\" >Cho c\u00e1c b\u1ea1n nh\u1ecf s\u1eed d\u1ee5ng nh\u1eefng c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 h\u1ecdc t\u1eadp<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-47\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Trang_bi_cho_con_kien_thuc_co_ban_ve_tung_dang_toan\" >Trang b\u1ecb cho con ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 t\u1eebng d\u1ea1ng to\u00e1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-48\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Bo_me_luon_dong_hanh_cung_voi_cac_con_tren_con_duong_hoc_tap\" >B\u1ed1 m\u1eb9 lu\u00f4n \u0111\u1ed3ng h\u00e0nh c\u00f9ng v\u1edbi c\u00e1c con tr\u00ean con \u0111\u01b0\u1eddng h\u1ecdc t\u1eadp\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-49\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Cho_be_tham_gia_cac_tro_choi_de_con_hoc_tap_hieu_qua_hon\" >Cho b\u00e9 tham gia c\u00e1c tr\u00f2 ch\u01a1i \u0111\u1ec3 con h\u1ecdc t\u1eadp hi\u1ec7u qu\u1ea3 h\u01a1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-50\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Nen_day_be_ap_dung_cac_thu_thuat_tinh_nhanh\" >N\u00ean d\u1ea1y b\u00e9 \u00e1p d\u1ee5ng c\u00e1c th\u1ee7 thu\u1eadt t\u00ednh nhanh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-51\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-hoc-phep-cong-co-nho-trong-pham-vi-1000-de-hieu-nhat\/#Mot_so_luu_y_khi_bo_me_day_be_hoc_toan_phep_cong_co_nho_pham_vi_1000\" >M\u1ed9t s\u1ed1 l\u01b0u \u00fd khi b\u1ed1 m\u1eb9 d\u1ea1y b\u00e9 h\u1ecdc to\u00e1n ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb ph\u1ea1m vi 1000<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>Ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 c\u0169ng l\u00e0 m\u1ed9t ki\u1ebfn th\u1ee9c kh\u00f3 v\u1edbi c\u00e1c b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 2. Ch\u00ednh v\u00ec v\u1eady, \u0111\u1ec3 gi\u00fap c\u00e1c con luy\u1ec7n t\u1eadp, th\u1ef1c h\u00e0nh v\u00e0 gi\u1ea3i b\u00e0i t\u1eadp v\u1ec1 ki\u1ebfn th\u1ee9c c\u1ed9ng tr\u1eeb c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 l\u1edbp 2 hi\u1ec7u qu\u1ea3, h\u00e3y c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef \u00e1p d\u1ee5ng m\u1ed9t s\u1ed1 b\u00ed quy\u1ebft v\u00e0 tham kh\u1ea3o c\u00e1c b\u00e0i t\u1eadp t\u1ef1 luy\u1ec7n trong b\u00e0i vi\u1ebft sau.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_cong_tru_co_nho_trong_pham_vi_1000_lop_2_la_gi\"><\/span>B\u00e0i t\u1eadp c\u1ed9ng tr\u1eeb c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 l\u1edbp 2 l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 ph\u00e9p t\u00ednh c\u1ed9ng m\u00e0 khi c\u1ed9ng d\u1ed3n c\u00e1c s\u1ed1 h\u1ea1ng thu\u1ed9c b\u1ea5t k\u1ef3 h\u00e0ng n\u00e0o l\u1ea1i th\u00ec k\u1ebft qu\u1ea3 s\u1ebd l\u1edbn h\u01a1n 10. Trong n\u1ed9i dung b\u00e0i h\u1ecdc n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u ph\u1ea1m vi ph\u00e9p t\u00ednh c\u1ed9ng c\u00f3 nh\u1edb 1000, c\u00f3 ngh\u0129a l\u00e0 c\u00e1c ph\u00e9p c\u1ed9ng c\u00e1c s\u1ed1 t\u1eeb 0 &#8211; 1000.<\/p>\n<p>V\u00ed d\u1ee5:<\/p>\n<p><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/pham-vi-phep-cong-co-nho-1000.png\" alt=\"\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Nhung_kho_khan_khi_be_lam_bai_tap_phep_cong_co_nho_trong_pham_vi_1000\"><\/span>Nh\u1eefng kh\u00f3 kh\u0103n khi b\u00e9 l\u00e0m b\u00e0i t\u1eadp ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u c\u00e1ch d\u1ea1y b\u00e9 h\u1ecdc ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000, c\u00e1c b\u1eadc ph\u1ee5 huynh c\u1ea7n ph\u1ea3i t\u00ecm hi\u1ec3u v\u1ec1 nh\u1eefng kh\u00f3 kh\u0103n m\u00e0 c\u00e1c con s\u1ebd g\u1eb7p ph\u1ea3i trong qu\u00e1 tr\u00ecnh h\u1ecdc<\/p>\n<p dir=\"ltr\">B\u1edfi khi n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c nh\u1eefng kh\u00f3 kh\u0103n n\u00e0y th\u00ec c\u00e1c b\u1eadc ph\u1ee5 huynh m\u1edbi c\u00f3 th\u1ec3 hi\u1ec3u t\u00ecm ra \u0111\u01b0\u1ee3c m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p d\u1ea1y h\u1ecdc ph\u00f9 h\u1ee3p cho c\u00e1c b\u1ea1n nh\u1ecf. V\u1eady nh\u1eefng kh\u00f3 kh\u0103n m\u00e0 c\u00e1c b\u00e9 th\u01b0\u1eddng g\u1eb7p ph\u1ea3i khi l\u00e0m b\u00e0i t\u1eadp c\u1ed9ng tr\u1eeb trong ph\u1ea1m vi 1000 l\u1edbp 2 l\u00e0 g\u00ec?<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/1-phep-cong-co-nho-trong-pham-vi-1000.jpg\" alt=\"B\u00e9 g\u1eb7p kh\u00f3 kh\u0103n khi h\u1ecdc ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_con_khong_hieu_phep_cong_co_nho_la_phep_cong_nhu_the_nao\"><\/span>C\u00e1c con kh\u00f4ng hi\u1ec3u ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb l\u00e0 ph\u00e9p c\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Kh\u00f3 kh\u0103n \u0111\u1ea7u ti\u00ean ch\u00ednh l\u00e0 c\u00e1c b\u1ea1n nh\u1ecf kh\u00f4ng hi\u1ec3u kh\u00e1t v\u1ecdng c\u00f3 nh\u1edb l\u00e0 ph\u00e9p c\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o. \u0110\u00e2y l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m kh\u00e1 kh\u00f3 hi\u1ec3u n\u00ean nhi\u1ec1u khi c\u00e1c con ch\u1ec9 bi\u1ebft \u0111\u01a1n gi\u1ea3n ph\u00e9p c\u1ed9ng l\u00e0 c\u1ed9ng m\u00e0 kh\u00f4ng bi\u1ebft v\u1edbi ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb th\u00ec ph\u1ea3i x\u1eed l\u00fd nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_ban_nho_khong_nam_duoc_so_dem_voi_pham_vi_len_den_1000\"><\/span>C\u00e1c b\u1ea1n nh\u1ecf kh\u00f4ng n\u1eafm \u0111\u01b0\u1ee3c s\u1ed1 \u0111\u1ebfm v\u1edbi ph\u1ea1m vi l\u00ean \u0111\u1ebfn 1000<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Kh\u00f3 kh\u0103n th\u1ee9 hai khi h\u1ecdc v\u1ec1 ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 ch\u00ednh l\u00e0 c\u00e1c b\u1ea1n nh\u1ecf kh\u00f4ng n\u1eafm \u0111\u01b0\u1ee3c nh\u1eefng s\u1ed1 \u0111\u1ebfm v\u1edbi ph\u1ea1m vi l\u00ean \u0111\u1ebfn 1000. C\u00e1c b\u00e9 ch\u1ec9 m\u1edbi c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1c ph\u00e9p c\u1ed9ng trong ph\u1ea1m vi 10, 20, \u2026 ho\u1eb7c 100.<\/p>\n<p dir=\"ltr\">Do \u0111\u00f3, khi \u0111\u1ebfm \u0111\u1ebfn c\u00e1c s\u1ed1 l\u1edbn h\u01a1n trong ph\u1ea1m vi 1000 th\u00ec c\u00e1c con l\u1ea1i r\u1ea5t l\u00fang t\u00fang.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Xuat_hien_nhieu_dang_toan_kho_khien_cho_cac_con_khong_biet_lam_sao\"><\/span>Xu\u1ea5t hi\u1ec7n nhi\u1ec1u d\u1ea1ng to\u00e1n kh\u00f3 khi\u1ebfn cho c\u00e1c con kh\u00f4ng bi\u1ebft l\u00e0m sao?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 l\u00e0 ch\u01b0\u01a1ng tr\u00ecnh ki\u1ebfn th\u1ee9c s\u1ebd mang \u0111\u1ebfn r\u1ea5t nhi\u1ec1u d\u1ea1ng to\u00e1n kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y khi\u1ebfn cho c\u00e1c b\u1ea1n nh\u1ecf kh\u00f4ng bi\u1ebft ph\u1ea3i l\u00e0m nh\u01b0 th\u1ebf n\u00e0o. Th\u1eadm ch\u00ed l\u00e0 c\u00e1c con c\u00f2n b\u1ecb nh\u1ea7m l\u1eabn gi\u1eefa d\u1ea1ng to\u00e1n n\u00e0y v\u1edbi d\u1ea1ng to\u00e1n kh\u00e1c.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/2-phep-cong-co-nho-trong-pham-vi-1000.jpg\" alt=\"B\u00e9 nh\u1ea7m l\u1eabn gi\u1eefa nh\u1eefng d\u1ea1ng to\u00e1n (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_be_bi_nham_khi_tinh_toan_do_cac_so_trong_pham_vi_1000_rat_lon\"><\/span>C\u00e1c b\u00e9 b\u1ecb nh\u1ea7m khi t\u00ednh to\u00e1n do c\u00e1c s\u1ed1 trong ph\u1ea1m vi 1000 r\u1ea5t l\u1edbn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">M\u1ed9t kh\u00f3 kh\u0103n n\u1eefa m\u00e0 c\u00e1c b\u1ea1n nh\u1ecf s\u1ebd g\u1eb7p ph\u1ea3i khi h\u1ecdc v\u1ec1 ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 ch\u00ednh l\u00e0 c\u00e1c con t\u00ednh to\u00e1n b\u1ecb sai.<\/p>\n<p dir=\"ltr\">L\u00fd do g\u00e2y n\u00ean t\u00ecnh tr\u1ea1ng n\u00e0y l\u00e0 b\u1edfi v\u00ec c\u00e1c con s\u1ed1 trong ph\u1ea1m vi 1000 qu\u00e1 l\u1edbn. \u0110i\u1ec1u \u0111\u00f3 khi\u1ebfn cho c\u00e1c b\u00e9 b\u1ecb l\u00fang t\u00fang trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"5_dang_toan_lop_2_khi_hoc_phep_cong_co_nho_pham_vi_1000\"><\/span>5 d\u1ea1ng to\u00e1n l\u1edbp 2 khi h\u1ecdc ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb ph\u1ea1m vi 1000<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Trong ch\u01b0\u01a1ng tr\u00ecnh ki\u1ebfn th\u1ee9c To\u00e1n l\u1edbp 2 h\u1ecdc v\u1ec1 ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000, c\u00e1c b\u1ea1n nh\u1ecf s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m quen v\u1edbi nh\u1eefng d\u1ea1ng to\u00e1n sau \u0111\u00e2y:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_1_Tinh_nham\"><\/span>D\u1ea1ng 1: T\u00ednh nh\u1ea9m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ednh nh\u1ea9m l\u00e0 d\u1ea1ng to\u00e1n quen thu\u1ed9c \u0111\u1ea7u ti\u00ean m\u00e0 c\u00e1c con th\u01b0\u1eddng g\u1eb7p ph\u1ea3i \u1edf m\u00f4n To\u00e1n. \u0110\u1ed1i v\u1edbi d\u1ea1ng to\u00e1n t\u00ednh nh\u1ea9m th\u00ec c\u00e1c b\u1ea1n nh\u1ecf c\u1ea7n ph\u1ea3i ghi nh\u1edb nh\u1eefng con s\u1ed1 c\u1ed9ng v\u1edbi nhau t\u1ea1o th\u00e0nh s\u1ed1 tr\u00f2n ch\u1ee5c ho\u1eb7c tr\u00f2n tr\u0103m \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh nhanh ch\u00f3ng h\u01a1n.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5 34 + 16.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/3-phep-cong-co-nho-trong-pham-vi-1000.jpg\" alt=\"D\u1ea1ng to\u00e1n t\u00ednh nh\u1ea9m (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_2_Dat_tinh_roi_tinh\"><\/span>D\u1ea1ng 2: \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">D\u1ea1ng to\u00e1n th\u1ee9 hai s\u1ebd y\u00eau c\u1ea7u c\u00e1c b\u1ea1n nh\u1ecf ti\u1ebfn h\u00e0nh \u0111\u1eb7t c\u00e1c ph\u00e9p t\u00ednh r\u1ed3i t\u00ednh theo th\u1ee9 t\u1ef1 t\u1eebng h\u00e0ng. V\u00e0 trong ph\u00e9p t\u00ednh n\u00e0y c\u00e1c con l\u01b0u \u00fd l\u00e0 ph\u1ea3i th\u1ef1c hi\u1ec7n t\u1eeb h\u00e0ng \u0111\u01a1n v\u1ecb cho \u0111\u1ebfn h\u00e0ng tr\u0103m.<\/p>\n<p dir=\"ltr\">Khi th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh n\u1ebfu nh\u01b0 h\u00e0ng n\u00e0o c\u00f3 nh\u1edb th\u00ec c\u00e1c con c\u1ea7n ph\u1ea3i nh\u1edb lu\u00f4n k\u1ebft qu\u1ea3 \u0111\u00f3 v\u00e0o h\u00e0ng t\u00ednh k\u1ebf ti\u1ebfp.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5 \u0111\u1eb7t t\u00ednh r\u1ed3i t\u00ednh 258 + 132.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_3_Giai_toan_co_loi_van\"><\/span>D\u1ea1ng 3: Gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">D\u1ea1ng to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u00e0 d\u1ea1ng to\u00e1n r\u1ea5t quen thu\u1ed9c m\u00e0 h\u1ea7u h\u1ebft c\u00e1c con \u0111\u00e3 ti\u1ebfp c\u1eadn ngay t\u1eeb khi h\u1ecdc l\u1edbp 1. \u0110\u1ed1i v\u1edbi d\u1ea1ng to\u00e1n c\u00f3 l\u1eddi v\u0103n n\u00e0y v\u00e0 th\u1ef1c hi\u1ec7n ph\u00e9p c\u1ed9ng trong ph\u1ea1m vi 1000 th\u00ec c\u00e1c con v\u1eabn th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c t\u01b0\u01a1ng t\u1ef1 nh\u01b0 khi c\u00e1c con l\u00e0m b\u00e0i to\u00e1n c\u00f3 l\u1eddi v\u0103n kh\u00e1c.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/4-phep-cong-co-nho-trong-pham-vi-1000.jpg\" alt=\"To\u00e1n l\u1edbp 2 c\u00f3 l\u1eddi v\u0103n (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">\u0110\u1ea7u ti\u00ean th\u00ec c\u00e1c b\u00e9 c\u0169ng ti\u1ebfn h\u00e0nh t\u00f3m t\u1eaft \u0111\u1ec1 b\u00e0i, sau \u0111\u00f3 c\u00e1c con vi\u1ebft c\u00e2u tr\u1ea3 l\u1eddi r\u1ed3i th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh. Cu\u1ed1i c\u00f9ng th\u00ec c\u00e1c con m\u1edbi vi\u1ebft \u0111\u00e1p s\u1ed1.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: M\u1ed9t c\u1eeda h\u00e0ng c\u00f3 380 l\u00edt d\u1ea7u. C\u1eeda h\u00e0ng \u0111\u00f3 mua th\u00eam 120 l\u00edt d\u1ea7u. H\u1ecfi c\u1eeda h\u00e0ng c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau l\u00edt d\u1ea7u?<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_4_So_sanh\"><\/span>D\u1ea1ng 4: So s\u00e1nh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">D\u1ea1ng to\u00e1n so s\u00e1nh c\u0169ng l\u00e0 m\u1ed9t d\u1ea1ng to\u00e1n kh\u00f4ng c\u00f2n xa l\u1ea1 g\u00ec v\u1edbi c\u00e1c b\u1ea1n h\u1ecdc sinh l\u1edbp 2. Th\u1ebf nh\u01b0ng d\u1ea1ng to\u00e1n so s\u00e1nh v\u1edbi ph\u00e9p c\u1ed9ng trong ph\u1ea1m vi 1000 s\u1ebd y\u00eau c\u1ea7u c\u00e1c con t\u00ednh k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t v\u1ebf v\u00e0 so s\u00e1nh v\u1edbi v\u1ebf c\u00f2n l\u1ea1i \u0111\u1ec3 \u0111i\u1ec1n d\u1ea5u cho ph\u00f9 h\u1ee3p.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: 245+ 77 \u2026 345<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_5_Tim_x\"><\/span>D\u1ea1ng 5: T\u00ecm x\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ecm x l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ea1ng to\u00e1n c\u0169ng r\u1ea5t quen thu\u1ed9c, th\u01b0\u1eddng xuy\u00ean xu\u1ea5t hi\u1ec7n trong c\u00e1c b\u00e0i ki\u1ec3m tra. V\u00e0 \u1edf ch\u01b0\u01a1ng tr\u00ecnh ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 v\u1edbi b\u00e0i t\u1eadp t\u00ecm x th\u00ec c\u00e1c con c\u0169ng s\u1ebd ti\u1ebfn h\u00e0nh ph\u00e9p c\u1ed9ng nh\u01b0 khi c\u00e1c con th\u1ef1c hi\u1ec7n nh\u1eefng ph\u00e9p t\u00ednh th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p dir=\"ltr\">V\u00ec d\u1ee5: T\u00ecm x: x &#8211; 35 = 78<\/p>\n<p dir=\"ltr\">\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_toan_lop_2_phep_cong_co_nho_trong_pham_vi_1000_de_be_tu_luyen\"><\/span>B\u00e0i t\u1eadp to\u00e1n l\u1edbp 2 ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 \u0111\u1ec3 b\u00e9 t\u1ef1 luy\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau \u0111\u00e2y s\u1ebd l\u00e0 m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp To\u00e1n l\u1edbp 2 v\u1ec1 ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 m\u00e0 c\u00e1c b\u1eadc ph\u1ee5 huynh n\u00ean tham kh\u1ea3o \u0111\u1ec3 cho b\u00e9 th\u1ef1c h\u00e0nh.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/5-phep-cong-co-nho-trong-pham-vi-1000.jpg\" alt=\"Nh\u1eefng b\u00e0i t\u1eadp to\u00e1n l\u1edbp 2 v\u1ec1 ph\u00e9p c\u1ed9ng trong ph\u1ea1m vi 1000 (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_1\"><\/span>B\u00e0i t\u1eadp 1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ednh nh\u1ea9m:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">67 + 33<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">666 + 134<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">567 + 133<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">650 + 350<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_2\"><\/span>B\u00e0i t\u1eadp 2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">678 + 234<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">653 + 578<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">452 + 388<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">782 + 179<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_3\"><\/span>B\u00e0i t\u1eadp 3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110i\u1ec1n d\u1ea5u &gt;, &lt; ho\u1eb7c =<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">78 + 34 \u2026 89<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">644 \u2026 234+ 377<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">980 \u2026 543 + 447<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">89 + 34 \u2026 123<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_4\"><\/span>B\u00e0i t\u1eadp 4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ecm x trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 78 = 12<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 782 = 129<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 34 = 89<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 52 = 98<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_5\"><\/span>B\u00e0i t\u1eadp 5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">M\u1ed9t c\u1eeda h\u00e0ng c\u00f3 230 quy\u1ec3n v\u1edf. C\u1eeda h\u00e0ng \u0111\u00e3 nh\u1eadp th\u00eam 470 quy\u1ec3n v\u1edf. H\u1ecfi c\u1eeda h\u00e0ng c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau quy\u1ec3n v\u1edf?<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_6\"><\/span>B\u00e0i t\u1eadp 6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ednh nh\u1ea9m:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">678 + 122<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">568 + 232<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">67 + 33<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">740 + 160<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_7\"><\/span>B\u00e0i t\u1eadp 7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">675 + 249<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">654 + 378<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">123 + 788<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">754 + 359<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_8\"><\/span>B\u00e0i t\u1eadp 8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110i\u1ec1n d\u1ea5u &gt;, &lt; ho\u1eb7c =<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">786 \u2026 731 + 99<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">653 + 47 \u2026 753<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">421 \u2026 89 + 333<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">876 \u2026 569 + 223<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_9\"><\/span>B\u00e0i t\u1eadp 9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ecm x trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 76 = 89<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 234 = 549<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 45 = 98<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 181 = 689<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_10\"><\/span>B\u00e0i t\u1eadp 10<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khu A c\u00f3 t\u1ea5t c\u1ea3 576 h\u1ed9 d\u00e2n. Khu B c\u00f3 338 h\u1ed9 d\u00e2n. H\u1ecfi c\u1ea3 hai khu A v\u00e0 B c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau h\u1ed9 d\u00e2n?<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_11\"><\/span>B\u00e0i t\u1eadp 11<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ednh nh\u1ea9m<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">780 + 120<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">675 + 125<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">789 + 111<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">34 + 66<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_12\"><\/span>B\u00e0i t\u1eadp 12<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">869 + 34<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">678 + 52<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">783 + 129<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">65 + 125<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_13\"><\/span>B\u00e0i t\u1eadp 13<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110i\u1ec1n d\u1ea5u &gt;, &lt; ho\u1eb7c =<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">538 \u2026 78 + 458<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">75 \u2026 13 + 69<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">875 + 125 \u2026 1000<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">198 \u2026 99 + 123<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_14\"><\/span>B\u00e0i t\u1eadp 14<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ecm x trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 76 = 89<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 234 = 549<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 45 = 98<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 181 = 689<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_15\"><\/span>B\u00e0i t\u1eadp 15<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Kho h\u00e0ng A c\u00f3 578 chi\u1ebfc m\u00e1y t\u00ednh. Kho h\u00e0ng n\u00e0y nh\u1eadp th\u00eam 229 chi\u1ebfc m\u00e1y t\u00ednh. H\u1ecfi kho h\u00e0ng A c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau chi\u1ebfc m\u00e1y t\u00ednh?<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_16\"><\/span>B\u00e0i t\u1eadp 16<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ednh nh\u1ea9m<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">86 + 14<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">780 + 120<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">65 + 135<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">570 + 330<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_17\"><\/span>B\u00e0i t\u1eadp 17<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">659 + 133<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">875 + 65<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">893 + 39<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">328 + 24<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_18\"><\/span>B\u00e0i t\u1eadp 18<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110i\u1ec1n d\u1ea5u &gt;, &lt; ho\u1eb7c =<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">653 \u2026 75 + 555<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">654 + 47 \u2026 786<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">989 \u2026 554 + 349<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_19\"><\/span>B\u00e0i t\u1eadp 19<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ecm x trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 65 = 97<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 678 = 122<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 65 = 78<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 87 = 459<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_20\"><\/span>B\u00e0i t\u1eadp 20<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">M\u1ed9t b\u1ec3 n\u01b0\u1edbc c\u00f3 228 l\u00edt n\u01b0\u1edbc. B\u1ec3 n\u01b0\u1edbc \u0111\u01b0\u1ee3c b\u01a1m th\u00eam 372 l\u00edt n\u01b0\u1edbc. H\u1ecfi b\u1ec3 n\u01b0\u1edbc c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau l\u00edt n\u01b0\u1edbc?<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_21\"><\/span>B\u00e0i t\u1eadp 21<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ednh nh\u1ea9m<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">450 + 50<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">74 + 16<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">78 + 42<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">87 + 113<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_22\"><\/span>B\u00e0i t\u1eadp 22<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">532 + 78<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">421 + 99<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">643 + 47<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">134 + 76<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_23\"><\/span>B\u00e0i t\u1eadp 23<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110i\u1ec1n d\u1ea5u &gt;, &lt; ho\u1eb7c =<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">67 \u2026 56 + 16<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">76 + 67 \u2026 132<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">87 + 64 \u2026 89<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">90 \u2026 45 + 75<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_24\"><\/span>B\u00e0i t\u1eadp 24<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ecm x trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 45 = 98<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 789 = 90<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 54 = 119<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 32 = 879<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_25\"><\/span>B\u00e0i t\u1eadp 25<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Tr\u01b0\u1eddng ti\u1ec3u h\u1ecdc Quang Trung c\u00f3 570 b\u1ea1n h\u1ecdc sinh kh\u1ed1i l\u1edbp 2. Tr\u01b0\u1eddng ti\u1ec3u h\u1ecdc Nguy\u1ec5n Hu\u1ec7 c\u00f3 330 b\u1ea1n h\u1ecdc sinh kh\u1ed1i l\u1edbp 2. H\u1ecfi hai tr\u01b0\u1eddng c\u00f3 bao nhi\u00eau b\u1ea1n h\u1ecdc sinh kh\u1ed1i l\u1edbp 2?<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_26\"><\/span>B\u00e0i t\u1eadp 26<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ednh nh\u1ea9m:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">89 + 111<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">87 + 123<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">875 + 55<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">890 + 110<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_27\"><\/span>B\u00e0i t\u1eadp 27<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">89 + 869<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">864 + 129<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">179 + 349<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">36 + 239<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_28\"><\/span>B\u00e0i t\u1eadp 28<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110i\u1ec1n d\u1ea5u &gt;, &lt; ho\u1eb7c =<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">345 \u2026 89 + 278<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">564 + 87 \u2026 6000<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">264 \u2026 24 +156<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">43 \u2026 33 + 8<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_29\"><\/span>B\u00e0i t\u1eadp 29<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ecm x trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 76 = 45<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 98 = 92<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 65 = 95<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">x &#8211; 72 = 98<\/p>\n<\/li>\n<\/ol>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_30\"><\/span>B\u00e0i t\u1eadp 30<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110o\u1ea1n \u0111\u01b0\u1eddng t\u1eeb A \u0111\u1ebfn B d\u00e0i 342 m. \u0110o\u1ea1n \u0111\u01b0\u1eddng t\u1eeb B \u0111\u1ebfn C d\u00e0i 448 m. H\u1ecfi c\u1ea3 hai \u0111o\u1ea1n \u0111\u01b0\u1eddng d\u00e0i bao nhi\u00eau m?<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bi_quyet_giup_be_hoc_toan_lop_2_phep_cong_co_nho_pham_vi_1000_hieu_qua\"><\/span>B\u00ed quy\u1ebft gi\u00fap b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 2 ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb ph\u1ea1m vi 1000 hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1.000 kh\u00f4ng ph\u1ea3i l\u00e0 d\u1ea1ng b\u00e0i t\u1eadp qu\u00e1 kh\u00f3 \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ea1n nh\u1ecf. Nh\u01b0ng n\u1ebfu mu\u1ed1n cho c\u00e1c con h\u1ecdc m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t th\u00ec c\u00e1c b\u1eadc ph\u1ee5 huynh n\u00ean c\u00f3 nh\u1eefng b\u00ed quy\u1ebft ri\u00eang \u0111\u1ec3 d\u1ea1y b\u00e9. Nh\u1eefng b\u00ed quy\u1ebft n\u00e0y l\u00e0:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cho_con_hoc_toan_voi_Shining_Home_%E2%80%93_Gia_dinh_Anh_Ngu_Math\"><\/span>Cho con h\u1ecdc to\u00e1n v\u1edbi Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 cho con c\u00f3 th\u1ec3 h\u1ecdc t\u1ed1t ch\u01b0\u01a1ng tr\u00ecnh To\u00e1n l\u1edbp 2 n\u00f3i chung v\u00e0 ki\u1ebfn th\u1ee9c v\u1ec1 ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 n\u00f3i ri\u00eang th\u00ec c\u00e1c b\u1eadc ph\u1ee5 huynh c\u1ea7n ph\u1ea3i trang b\u1ecb Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math. \u0110\u00e2y l\u00e0 ph\u1ea7n m\u1ec1m h\u1ecdc to\u00e1n hi\u1ec7u qu\u1ea3 \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u c\u00e1c b\u1eadc ph\u1ee5 huynh tin t\u01b0\u1edfng l\u1ef1a ch\u1ecdn hi\u1ec7n nay.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/6a-phep-cong-co-nho-trong-pham-vi-1000.jpg\" alt=\"C\u00f9ng con h\u1ecdc to\u00e1n v\u1edbi Shining Home - Gia \u0111\u00ecnh Anh Ng\u1eef math (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Ph\u1ea7n m\u1ec1m h\u1ecdc to\u00e1n n\u00e0y s\u1ebd mang \u0111\u1ebfn nh\u1eefng th\u1ee7 thu\u1eadt v\u00e0 m\u1eb9o h\u1ecdc gi\u00fap cho c\u00e1c con d\u1ec5 d\u00e0ng h\u1ecdc ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi l\u1edbn l\u00ean \u0111\u1ebfn 1000. Th\u00f4ng qua nh\u1eefng tr\u00f2 ch\u01a1i c\u00f3 trong b\u00e0i h\u1ecdc, c\u00e1c b\u1ea1n nh\u1ecf s\u1ebd bi\u1ebft l\u00e0m nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ed1i v\u1edbi c\u00e1c b\u00e0i t\u1eadp c\u1ee7a ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb \u0111\u01a1n gi\u1ea3n nh\u1ea5t.<\/p>\n<p dir=\"ltr\">\u0110i\u1ec1u \u0111\u1eb7c bi\u1ec7t nh\u1ea5t c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc v\u1edbi Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math l\u00e0 h\u1ecdc kh\u00f4ng \u00e1p l\u1ef1c. C\u00e1c con kh\u00f4ng c\u1ea7n ph\u1ea3i ghi nh\u1edb nhi\u1ec1u m\u00e0 Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math c\u00e1c b\u1ea1n nh\u1ecf hi\u1ec3u r\u00f5 \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t c\u1ee7a v\u1ea5n \u0111\u1ec1.<\/p>\n<p dir=\"ltr\">H\u1ecdc c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math, c\u00f3 th\u1ec3 h\u1ecdc m\u1ecdi l\u00fac m\u1ecdi n\u01a1i m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o s\u00e1ch v\u1edf. C\u00e1ch h\u1ecdc n\u00e0y c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math v\u1eabn \u0111\u1ea3m b\u1ea3o c\u00e1c con c\u00f3 th\u1ec3 ghi nh\u1edb \u0111\u01b0\u1ee3c \u0111\u1ea7y \u0111\u1ee7 nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n, r\u00f5 \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t c\u1ee7a ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb nh\u01b0 th\u1ebf n\u00e0o. V\u00e0 cu\u1ed1i m\u1ed7i b\u00e0i h\u1ecdc, monkey Math mang \u0111\u1ebfn nh\u1eefng b\u00e0i t\u1eadp \u0111\u1ec3 cho c\u00e1c b\u1ea1n nh\u1ecf th\u1eed s\u1ee9c.<\/p>\n<p dir=\"ltr\">T\u1ea3i Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math cho \u0111i\u1ec7n tho\u1ea1i Android<\/p>\n<p dir=\"ltr\">T\u1ea3i Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math cho \u0111i\u1ec7n tho\u1ea1i iOS<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cho_cac_ban_nho_su_dung_nhung_cong_cu_ho_tro_hoc_tap\"><\/span>Cho c\u00e1c b\u1ea1n nh\u1ecf s\u1eed d\u1ee5ng nh\u1eefng c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 h\u1ecdc t\u1eadp<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Mu\u1ed1n con h\u1ecdc t\u1ed1t To\u00e1n th\u00ec vi\u1ec7c trang b\u1ecb nh\u1eefng d\u1ee5ng c\u1ee5 h\u1ed7 tr\u1ee3 h\u1ecdc t\u1eadp l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 b\u1ecf qua. C\u00e1c b\u1eadc ph\u1ee5 huynh mang \u0111\u1ebfn cho con nh\u1eefng d\u1ee5ng c\u1ee5 h\u1ed7 tr\u1ee3 h\u1ecdc t\u1eadp c\u1ea7n thi\u1ebft s\u1ebd gi\u00fap cho c\u00e1c b\u00e9 c\u00f3 th\u1ec3 t\u00ednh to\u00e1n nhanh h\u01a1n, ti\u1ebft ki\u1ec7m th\u1eddi gian l\u00e0m b\u00e0i h\u01a1n.<\/p>\n<p dir=\"ltr\">Ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed1 m\u1eb9 trang b\u1ecb cho con nh\u1eefng chi\u1ebfc que t\u00ednh \u0111\u1ec3 b\u00e9 c\u00f3 th\u1ec3 t\u00ednh nh\u1ea9m nhanh. C\u00e1c b\u1eadc ph\u1ee5 huynh c\u0169ng c\u00f3 th\u1ec3 trang b\u1ecb cho con m\u00e1y t\u00ednh c\u1ea7m tay \u0111\u1ec3 b\u00e9 c\u00f3 th\u1ec3 ki\u1ec3m tra l\u1ea1i \u0111\u00e1p \u00e1n sau khi m\u00ecnh \u0111\u00e3 th\u1ef1c hi\u1ec7n xong ph\u00e9p c\u1ed9ng.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Trang_bi_cho_con_kien_thuc_co_ban_ve_tung_dang_toan\"><\/span>Trang b\u1ecb cho con ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 t\u1eebng d\u1ea1ng to\u00e1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ki\u1ebfn th\u1ee9c To\u00e1n l\u1edbp 2 ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 s\u1ebd tr\u1ea3i d\u00e0i tr\u00ean nhi\u1ec1u d\u1ea1ng b\u00e0i t\u1eadp kh\u00e1c nhau. Ch\u00ednh v\u00ec th\u1ebf m\u00e0 tao b\u1eadc ph\u1ee5 huynh c\u1ea7n ph\u1ea3i trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 cho con ki\u1ebfn th\u1ee9c v\u1ec1 t\u1eebng d\u1ea1ng to\u00e1n m\u1ed9t c\u00e1ch \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t.<\/p>\n<p dir=\"ltr\">Khi c\u00e1c b\u1ea1n nh\u1ecf \u0111\u00e3 n\u1eafm v\u1eefng \u0111\u01b0\u1ee3c ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n c\u1ee7a t\u1eebng d\u1ea1ng to\u00e1n th\u00ec c\u00e1c con s\u1ebd bi\u1ebft c\u00e1ch l\u00e0m b\u00e0i t\u1eadp nh\u01b0 th\u1ebf n\u00e0o. B\u1ed1 m\u1eb9 n\u00ean cho con h\u1ecdc ch\u1eafc t\u1eebng m\u1ea3ng ki\u1ebfn th\u1ee9c m\u1ed9t r\u1ed3i m\u1edbi chuy\u1ec3n sang m\u1ea3ng ki\u1ebfn th\u1ee9c ti\u1ebfp theo \u0111\u1ec3 b\u00e9 kh\u00f4ng b\u1ecb r\u1ed1i.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bo_me_luon_dong_hanh_cung_voi_cac_con_tren_con_duong_hoc_tap\"><\/span>B\u1ed1 m\u1eb9 lu\u00f4n \u0111\u1ed3ng h\u00e0nh c\u00f9ng v\u1edbi c\u00e1c con tr\u00ean con \u0111\u01b0\u1eddng h\u1ecdc t\u1eadp\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ph\u1ee5 huynh lu\u00f4n \u0111\u1ed3ng h\u00e0nh c\u00f9ng v\u1edbi b\u00e9 tr\u00ean con \u0111\u01b0\u1eddng h\u1ecdc t\u1eadp s\u1ebd gi\u00fap cho c\u00e1c con c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t \u0111\u1ecbnh h\u01b0\u1edbng h\u1ecdc t\u1eadp \u0111\u00fang \u0111\u1eafn thay v\u00ec \u0111\u1ec3 b\u00e9 t\u1ef1 b\u01a1i trong b\u1ec3 ki\u1ebfn th\u1ee9c r\u1ed9ng l\u1edbn.<\/p>\n<p dir=\"ltr\">Khi c\u00f3 s\u1ef1 \u0111\u1ed3ng h\u00e0nh c\u1ee7a c\u00e1c b\u1eadc ph\u1ee5 huynh, m\u1eb9 c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 hi\u1ec3u b\u00e0i c\u1ee7a con nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/7-phep-cong-co-nho-trong-pham-vi-1000.jpg\" alt=\"B\u1ed1 m\u1eb9 c\u00f9ng h\u1ecdc v\u1edbi b\u00e9 (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">C\u00e1c b\u00e9 \u0111\u00e3 n\u1eafm ch\u1eafc \u0111\u01b0\u1ee3c ph\u1ea7n ki\u1ebfn th\u1ee9c n\u00e0y th\u00ec c\u00e1c b\u1eadc ph\u1ee5 huynh m\u1edbi chuy\u1ec3n sang ph\u1ea7n ki\u1ebfn th\u1ee9c ti\u1ebfp theo. N\u1ebfu nh\u01b0 b\u1ed1 m\u1eb9 \u0111\u1ec3 cho con t\u1ef1 h\u1ecdc th\u00ec c\u00f3 r\u1ea5t nhi\u1ec1u \u0111i\u1ec1u c\u00e1c b\u00e9 s\u1ebd kh\u00f4ng th\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c.<\/p>\n<p dir=\"ltr\">Th\u1eadm ch\u00ed \u0111\u00f4i khi \u0111ang h\u1ecdc ph\u1ea7n ki\u1ebfn th\u1ee9c n\u00e0y c\u00e1c con c\u1ea3m th\u1ea5y qu\u00e1 ch\u00e1n c\u00e1c b\u00e9 l\u1ea1i chuy\u1ec3n sang ngu\u1ed3n ki\u1ebfn th\u1ee9c sau nh\u01b0ng do kh\u00f4ng c\u00f3 n\u1ec1n t\u1ea3ng c\u1ed5 ph\u1ea7n ki\u1ebfn th\u1ee9c tr\u01b0\u1edbc n\u00ean c\u00e1c con kh\u00f4ng th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c n\u1ed9i dung.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cho_be_tham_gia_cac_tro_choi_de_con_hoc_tap_hieu_qua_hon\"><\/span>Cho b\u00e9 tham gia c\u00e1c tr\u00f2 ch\u01a1i \u0111\u1ec3 con h\u1ecdc t\u1eadp hi\u1ec7u qu\u1ea3 h\u01a1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc t\u1eadp r\u1ea5t hay v\u00e0 th\u00fa v\u1ecb n\u1eefa mang \u0111\u1ebfn hi\u1ec7u qu\u1ea3 h\u1ecdc t\u1eadp r\u1ea5t l\u1edbn \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ea1n nh\u1ecf ch\u00ednh l\u00e0 b\u1ed1 m\u1eb9 cho con tham gia v\u00e0o c\u00e1c tr\u00f2 ch\u01a1i \u0111\u1ec3 b\u00e9 c\u00f3 th\u1ec3 v\u1eeba gi\u1ea3i tr\u00ed v\u1eeba h\u1ecdc t\u1eadp. Vi\u1ec7c tham gia v\u00e0o nh\u1eefng tr\u00f2 ch\u01a1i n\u00e0y s\u1ebd gi\u00fap cho c\u00e1c con c\u00f3 th\u1ec3 x\u1ea3 stress hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<p dir=\"ltr\">C\u00e1c b\u1eadc ph\u1ee5 huynh t\u1ed1t nh\u1ea5t l\u00e0 n\u00ean t\u1ed5 ch\u1ee9c nh\u1eefng tr\u00f2 ch\u01a1i c\u00f3 ph\u1ea7n th\u01b0\u1edfng \u0111\u1ec3 kh\u00edch l\u1ec7 th\u00eam tinh th\u1ea7n c\u1ee7a c\u00e1c con. V\u00e0 khi c\u00e1c b\u00e9 c\u1ea3m th\u1ea5y vi\u1ec7c h\u1ecdc th\u00fa v\u1ecb nh\u01b0 v\u1eady th\u00ec c\u00e1c con kh\u00f4ng c\u00f2n c\u1ea3m th\u1ea5y s\u1ee3 to\u00e1n hay gh\u00e9t h\u1ecdc to\u00e1n n\u1eefa.<\/p>\n<p dir=\"ltr\">\u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u1ed9ng l\u1ef1c r\u1ea5t l\u1edbn gi\u00fap cho b\u00e9 h\u1ecdc ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Nen_day_be_ap_dung_cac_thu_thuat_tinh_nhanh\"><\/span>N\u00ean d\u1ea1y b\u00e9 \u00e1p d\u1ee5ng c\u00e1c th\u1ee7 thu\u1eadt t\u00ednh nhanh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ed1i v\u1edbi ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb s\u1ebd c\u00f3 d\u1ea1ng b\u00e0i t\u1eadp t\u00ednh nh\u1ea9m. \u1ede d\u1ea1ng b\u00e0i t\u1eadp n\u00e0y th\u00ec c\u00e1c con c\u1ea7n ph\u1ea3i c\u00f3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p th\u00ec m\u1edbi c\u00f3 th\u1ec3 t\u00ednh nh\u1ea9m nhanh \u0111\u01b0\u1ee3c.<\/p>\n<p dir=\"ltr\">Do \u0111\u00f3 c\u00e1c b\u1eadc v\u00e0o ph\u1ee5 huynh n\u00ean ch\u1ec9 cho b\u00e9 m\u1ed9t v\u00e0i m\u1eb9o t\u00ednh nh\u1ea9m nhanh. Ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed1 m\u1eb9 h\u01b0\u1edbng d\u1eabn con t\u00ednh nh\u1ea9m d\u1ef1a theo c\u00e1c s\u1ed1 tr\u00f2n ch\u1ee5c ho\u1eb7c tr\u00f2n tr\u0103m hay c\u00e1ch t\u00ednh Soroban &#8211; c\u00e1ch t\u00ednh v\u1edbi b\u00e0n t\u00ednh khung h\u00ecnh ch\u1eef nh\u1eadt r\u1ea5t \u0111\u1ed9c \u0111\u00e1o.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_luu_y_khi_bo_me_day_be_hoc_toan_phep_cong_co_nho_pham_vi_1000\"><\/span>M\u1ed9t s\u1ed1 l\u01b0u \u00fd khi b\u1ed1 m\u1eb9 d\u1ea1y b\u00e9 h\u1ecdc to\u00e1n ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb ph\u1ea1m vi 1000<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Khi d\u1ea1y con h\u1ecdc to\u00e1n l\u1edbp 2 ph\u00e9p c\u1ed9ng trong ph\u1ea1m vi 1000 c\u00f3 nh\u1edb th\u00ec c\u00e1c b\u1eadc ph\u1ee5 huynh c\u1ea7n ph\u1ea3i l\u01b0u \u00fd \u0111\u1ebfn nh\u1eefng v\u1ea5n \u0111\u1ec1 sau \u0111\u00e2y:<\/p>\n<ul data-start=\"0\" data-end=\"1010\">\n<li class=\"\" data-start=\"0\" data-end=\"135\">\n<p class=\"\" data-start=\"2\" data-end=\"135\">B\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c ph\u00e9p c\u1ed9ng \u0111\u01a1n gi\u1ea3n, gi\u00fap b\u00e9 n\u1eafm v\u1eefng ph\u00e9p c\u1ed9ng kh\u00f4ng nh\u1edb tr\u01b0\u1edbc khi chuy\u1ec3n sang ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000.<\/p>\n<\/li>\n<li class=\"\" data-start=\"136\" data-end=\"232\">\n<p class=\"\" data-start=\"138\" data-end=\"232\">Gi\u1ea3i th\u00edch kh\u00e1i ni\u1ec7m \u201cc\u00f3 nh\u1edb\u201d b\u1eb1ng c\u00e1ch minh h\u1ecda tr\u1ef1c quan v\u1edbi que t\u00ednh ho\u1eb7c m\u00f4 h\u00ecnh \u0111\u1ed3 v\u1eadt.<\/p>\n<\/li>\n<li class=\"\" data-start=\"233\" data-end=\"334\">\n<p class=\"\" data-start=\"235\" data-end=\"334\">H\u01b0\u1edbng d\u1eabn b\u00e9 c\u1ed9ng theo h\u00e0ng \u0111\u01a1n v\u1ecb, h\u00e0ng ch\u1ee5c, h\u00e0ng tr\u0103m, ghi nh\u1edb khi t\u1ed5ng v\u01b0\u1ee3t qu\u00e1 9 \u1edf t\u1eebng c\u1ed9t.<\/p>\n<\/li>\n<li class=\"\" data-start=\"335\" data-end=\"436\">\n<p class=\"\" data-start=\"337\" data-end=\"436\">Khuy\u1ebfn kh\u00edch b\u00e9 vi\u1ebft ph\u00e9p c\u1ed9ng theo h\u00e0ng d\u1ecdc \u0111\u1ec3 d\u1ec5 quan s\u00e1t qu\u00e1 tr\u00ecnh c\u1ed9ng v\u00e0 c\u00e1ch chuy\u1ec3n s\u1ed1 nh\u1edb.<\/p>\n<\/li>\n<li class=\"\" data-start=\"437\" data-end=\"532\">\n<p class=\"\" data-start=\"439\" data-end=\"532\">\u0110\u01b0a ra nhi\u1ec1u d\u1ea1ng b\u00e0i t\u1eadp kh\u00e1c nhau, t\u1eeb c\u1ed9ng c\u00e1c s\u1ed1 tr\u00f2n tr\u0103m, tr\u00f2n ch\u1ee5c \u0111\u1ebfn c\u00e1c s\u1ed1 b\u1ea5t k\u1ef3.<\/p>\n<\/li>\n<li class=\"\" data-start=\"533\" data-end=\"624\">\n<p class=\"\" data-start=\"535\" data-end=\"624\">\u0110\u1ec3 b\u00e9 ki\u1ec3m tra l\u1ea1i k\u1ebft qu\u1ea3 b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n ph\u00e9p tr\u1eeb ng\u01b0\u1ee3c l\u1ea1i \u0111\u1ec3 c\u1ee7ng c\u1ed1 ki\u1ebfn th\u1ee9c.<\/p>\n<\/li>\n<li class=\"\" data-start=\"625\" data-end=\"714\">\n<p class=\"\" data-start=\"627\" data-end=\"714\">K\u1ebft h\u1ee3p h\u1ecdc v\u1edbi c\u00e1c tr\u00f2 ch\u01a1i, \u0111\u1ed1 vui ho\u1eb7c ph\u1ea7n m\u1ec1m tr\u1ef1c tuy\u1ebfn \u0111\u1ec3 t\u1ea1o h\u1ee9ng th\u00fa cho b\u00e9.<\/p>\n<\/li>\n<li class=\"\" data-start=\"715\" data-end=\"810\">\n<p class=\"\" data-start=\"717\" data-end=\"810\">Khen ng\u1ee3i, \u0111\u1ed9ng vi\u00ean khi b\u00e9 l\u00e0m \u0111\u00fang, s\u1eeda l\u1ed7i nh\u1eb9 nh\u00e0ng khi b\u00e9 sai \u0111\u1ec3 t\u1ea1o t\u00e2m l\u00fd tho\u1ea3i m\u00e1i.<\/p>\n<\/li>\n<li class=\"\" data-start=\"811\" data-end=\"906\">\n<p class=\"\" data-start=\"813\" data-end=\"906\">Cho b\u00e9 gi\u1ea3i th\u00edch l\u1ea1i c\u00e1ch l\u00e0m \u0111\u1ec3 b\u1ed1 m\u1eb9 n\u1eafm r\u00f5 m\u1ee9c \u0111\u1ed9 hi\u1ec3u b\u00e0i v\u00e0 ph\u00e1t hi\u1ec7n l\u1ed7i sai n\u1ebfu c\u00f3.<\/p>\n<\/li>\n<li class=\"\" data-start=\"907\" data-end=\"1010\">\n<p class=\"\" data-start=\"909\" data-end=\"1010\">X\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng ki\u1ebfn th\u1ee9c t\u1eeb t\u1eeb, kh\u00f4ng v\u1ed9i v\u00e0ng, \u0111\u1ea3m b\u1ea3o b\u00e9 hi\u1ec3u r\u00f5 t\u1eebng b\u01b0\u1edbc tr\u01b0\u1edbc khi n\u00e2ng cao.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/10-phep-cong-co-nho-trong-pham-vi-1000.jpg\" alt=\"B\u1ed1 m\u1eb9 trang b\u1ecb cho b\u00e9 m\u00e1y t\u00ednh (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">\u00a0<\/p>\n<\/p>\n<p dir=\"ltr\">Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef chia s\u1ebb r\u1ea5t chi ti\u1ebft v\u1ec1 ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 cho c\u00e1c b\u1eadc ph\u1ee5 huynh tham kh\u1ea3o. Hi v\u1ecdng nh\u1eefng th\u00f4ng tin n\u00e0y s\u1ebd mang \u0111\u1ebfn nh\u1eefng ki\u1ebfn th\u1ee9c b\u1ed5 \u00edch \u0111\u1ec3 gi\u00fap cho b\u00e9 h\u1ecdc t\u1ed1t v\u1ec1 ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb v\u1edbi ph\u1ea1m vi l\u1edbn.<\/p>\n<p>Ngu\u1ed3n: <a href=\"https:\/\/www.ckconitsha.com\/vn\/\">https:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00e9p c\u1ed9ng c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 c\u0169ng l\u00e0 m\u1ed9t ki\u1ebfn th\u1ee9c kh\u00f3 v\u1edbi c\u00e1c b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 2. Ch\u00ednh v\u00ec v\u1eady, \u0111\u1ec3 gi\u00fap c\u00e1c con luy\u1ec7n t\u1eadp, th\u1ef1c h\u00e0nh v\u00e0 gi\u1ea3i b\u00e0i t\u1eadp v\u1ec1 ki\u1ebfn th\u1ee9c c\u1ed9ng tr\u1eeb c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000 l\u1edbp 2 hi\u1ec7u qu\u1ea3, h\u00e3y c\u00f9ng Shining Home&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-7800","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/7800","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/comments?post=7800"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/7800\/revisions"}],"predecessor-version":[{"id":8044,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/7800\/revisions\/8044"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=7800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=7800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=7800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}