{"id":38078,"date":"2025-08-01T16:11:00","date_gmt":"2025-08-01T09:11:00","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=38078"},"modified":"2025-08-03T18:06:33","modified_gmt":"2025-08-03T11:06:33","slug":"cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/","title":{"rendered":"C\u00e1ch gi\u1ea3i to\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n v\u00e0 b\u00e0i t\u1eadp [c\u00f3 \u0111\u00e1p \u00e1n]"},"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-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Dang_toan_co_loi_van_lop_1_la_gi\" >D\u1ea1ng to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u1edbp 1 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-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Tom_tat_quy_trinh_giai_toan_co_loi_van_lop_1\" >T\u00f3m t\u1eaft quy tr\u00ecnh gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u1edbp 1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Chi_tiet_cach_giai_bai_toan_co_loi_van_lop_1\" >Chi ti\u1ebft c\u00e1ch gi\u1ea3i b\u00e0i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u1edbp 1<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Buoc_1_Doc_ki_de_bai\" >B\u01b0\u1edbc 1: \u0110\u1ecdc k\u0129 \u0111\u1ec1 b\u00e0i<\/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-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Buoc_2_Tom_tat_de_bai\" >B\u01b0\u1edbc 2: T\u00f3m t\u1eaft \u0111\u1ec1 b\u00e0i<\/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-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Buoc_3_Tim_cach_giai_bai_toan_phu_hop\" >B\u01b0\u1edbc 3: T\u00ecm c\u00e1ch gi\u1ea3i b\u00e0i to\u00e1n ph\u00f9 h\u1ee3p\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Buoc_4_Trinh_bay_loi_giai\" >B\u01b0\u1edbc 4: Tr\u00ecnh b\u00e0y l\u1eddi gi\u1ea3i\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Buoc_5_Kiem_tra_lai_bai_lam_va_dap_so\" >B\u01b0\u1edbc 5: Ki\u1ec3m tra l\u1ea1i b\u00e0i l\u00e0m v\u00e0 \u0111\u00e1p s\u1ed1\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Tong_hop_mot_so_bai_toan_co_loi_van_lop_1_co_dap_an_de_be_luyen_tap\" >T\u1ed5ng h\u1ee3p m\u1ed9t s\u1ed1 b\u00e0i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u1edbp 1 c\u00f3 \u0111\u00e1p \u00e1n \u0111\u1ec3 b\u00e9 luy\u1ec7n t\u1eadp<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-15\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-16\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-17\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-18\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-19\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-20\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-21\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-22\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-23\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#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-24\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Bai_tap_15\" >B\u00e0i t\u1eadp 15<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Mot_so_nhung_luu_y_khi_giai_toan_co_loi_van_lop_1\" >M\u1ed9t s\u1ed1 nh\u1eefng l\u01b0u \u00fd khi gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u1edbp 1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Bi_quyet_giup_be_hoc_toan_lop_1_giai_toan_co_loi_van_hieu_qua\" >B\u00ed quy\u1ebft gi\u00fap b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n 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-27\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Hoc_toan_lop_1_giai_toan_co_loi_van_cung_voi_Shining_Home_%E2%80%93_Gia_dinh_Anh_Ngu_Math\" >H\u1ecdc to\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n c\u00f9ng v\u1edbi Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math<\/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-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Day_be_hieu_duoc_ban_chat_cua_phep_tinh_cong_va_tru\" >D\u1ea1y b\u00e9 hi\u1ec3u \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t c\u1ee7a ph\u00e9p t\u00ednh c\u1ed9ng v\u00e0 tr\u1eeb<\/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-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Huong_dan_con_cach_tom_tat_de_bai\" >H\u01b0\u1edbng d\u1eabn con c\u00e1ch t\u00f3m t\u1eaft \u0111\u1ec1 b\u00e0i<\/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-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Ung_dung_toan_co_loi_van_vao_thuc_te\" >\u1ee8ng d\u1ee5ng to\u00e1n c\u00f3 l\u1eddi v\u0103n v\u00e0o th\u1ef1c t\u1ebf<\/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-giai-toan-lop-1-giai-toan-co-loi-van-va-bai-tap-co-dap-an\/#Cho_con_lam_bai_tap_thuong_xuyen\" >Cho con l\u00e0m b\u00e0i t\u1eadp th\u01b0\u1eddng xuy\u00ean<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>To\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u00e0 m\u1ed9t d\u1ea1ng to\u00e1n m\u00e0 c\u00e1c b\u00e9 s\u1ebd \u0111\u01b0\u1ee3c h\u1ecdc v\u00e0 l\u00e0m quen. Nh\u01b0ng v\u00ec \u0111\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c kh\u00f3 v\u1edbi tr\u1ebb, n\u00ean b\u1ed1 m\u1eb9 \u0111\u1eebng b\u1ecf qua nh\u1eefng b\u00ed quy\u1ebft m\u00e0 Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef s\u1ebd chia s\u1ebb ngay trong b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/p>\n<p>                                    <\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_toan_co_loi_van_lop_1_la_gi\"><\/span>D\u1ea1ng to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u1edbp 1 l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">To\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u00e0 d\u1ea1ng to\u00e1n m\u00e0 khi h\u1ecdc to\u00e1n l\u1edbp 1 c\u01a1 b\u1ea3n c\u00e1c con s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m quen v\u00e0 \u0111\u01b0\u1ee3c h\u1ecdc. D\u1ea1ng to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u1edbp 1 n\u00e0y ch\u1ee7 y\u1ebfu s\u1ebd d\u1ef1a v\u00e0o \u0111\u1ec1 b\u00e0i v\u1edbi c\u00e1ch d\u1eef li\u1ec7u \u0111\u00e3 c\u00f3 r\u1ed3i c\u00e1c con gi\u1ea3i to\u00e1n b\u1eb1ng l\u1eddi v\u0103n v\u00e0 ph\u00e2n t\u00edch \u0111\u00e1p \u00e1n m\u1ed9t c\u00e1ch c\u1ee5 th\u1ec3 nh\u1ea5t.<\/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-toan-lop-1-co-loi-van.jpg\" alt=\"To\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u00e0 g\u00ec? (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: Nh\u00e0 hoa c\u00f3 3 c\u00e2y mai. B\u1ed1 Hoa mua th\u00eam 5 c\u00e2y mai n\u1eefa. H\u1ecfi nh\u00e0 hoa c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau c\u00e2y mai?<\/p>\n<p dir=\"ltr\">\u2192 L\u1eddi gi\u1ea3i:<\/p>\n<p dir=\"ltr\">Nh\u00e0 hoa c\u00f3 s\u1ed1 c\u00e2y mai l\u00e0:<\/p>\n<p dir=\"ltr\">3 + 5 = 8 (c\u00e2y mai)<\/p>\n<p dir=\"ltr\">\u0110\u00e1p s\u1ed1: 8 c\u00e2y mai.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tom_tat_quy_trinh_giai_toan_co_loi_van_lop_1\"><\/span>T\u00f3m t\u1eaft quy tr\u00ecnh gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u1edbp 1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">M\u1ed7i b\u00e0i to\u00e1n c\u00f3 l\u1eddi v\u0103n hay to\u00e1n \u0111\u1ed1 l\u1edbp 1 bao g\u1ed3m hai ph\u1ea7n ch\u00ednh:<\/p>\n<ul>\n<li dir=\"ltr\">Ph\u1ea7n gi\u1ea3 thi\u1ebft: \u0110\u00e2y l\u00e0 nh\u1eefng d\u1eef ki\u1ec7n, th\u00f4ng tin \u0111\u00e3 cho trong \u0111\u1ec1 b\u00e0i.<\/li>\n<li dir=\"ltr\">Ph\u1ea7n k\u1ebft lu\u1eadn: L\u00e0 k\u1ebft qu\u1ea3 ho\u1eb7c \u0111\u00e1p \u00e1n m\u00e0 b\u00e0i to\u00e1n y\u00eau c\u1ea7u t\u00ecm.<\/li>\n<\/ul>\n<p dir=\"ltr\">Ba m\u1eb9 c\u1ea7n gi\u1ea3i th\u00edch cho tr\u1ebb hi\u1ec3u r\u00f5 m\u1ed1i quan h\u1ec7 gi\u1eefa ph\u1ea7n gi\u1ea3 thi\u1ebft v\u00e0 ph\u1ea7n k\u1ebft lu\u1eadn \u0111\u1ec3 t\u1eeb \u0111\u00f3 t\u00ecm ra ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i b\u00e0i. Sau \u0111\u00f3, h\u01b0\u1edbng d\u1eabn c\u00e1ch l\u00e0m b\u00e0i gi\u1ea3i to\u00e1n l\u1edbp 1 nh\u01b0 sau:<\/p>\n<p dir=\"ltr\">1. T\u00f3m t\u1eaft \u0111\u1ec1 b\u00e0i<\/p>\n<p dir=\"ltr\">Tr\u1ebb c\u1ea7n \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn \u0111\u1ecdc k\u1ef9 v\u00e0 hi\u1ec3u r\u00f5 \u0111\u1ec1 b\u00e0i \u0111\u1ec3 n\u1eafm b\u1eaft c\u00e1c d\u1eef ki\u1ec7n ch\u00ednh. B\u01b0\u1edbc n\u00e0y gi\u00fap tr\u1ebb ph\u00e2n t\u00edch v\u00e0 r\u00fat g\u1ecdn c\u00e1c th\u00f4ng tin quan tr\u1ecdng, t\u1eeb \u0111\u00f3 t\u00f3m t\u1eaft b\u00e0i to\u00e1n m\u1ed9t c\u00e1ch d\u1ec5 hi\u1ec3u. C\u00f3 nhi\u1ec1u c\u00e1ch t\u00f3m t\u1eaft b\u00e0i to\u00e1n, bao g\u1ed3m:<\/p>\n<ul>\n<li dir=\"ltr\">S\u01a1 \u0111\u1ed3 \u0111o\u1ea1n th\u1eb3ng: S\u1eed d\u1ee5ng \u0111\u1ec3 bi\u1ec3u di\u1ec5n m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c s\u1ed1 li\u1ec7u trong b\u00e0i to\u00e1n.<\/li>\n<li dir=\"ltr\">H\u00ecnh v\u1ebd minh h\u1ecda: Tr\u1ebb c\u00f3 th\u1ec3 v\u1ebd tranh \u0111\u1ec3 tr\u1ef1c quan h\u00f3a \u0111\u1ec1 b\u00e0i.<\/li>\n<li dir=\"ltr\">C\u00e2u v\u0103n ng\u1eafn: T\u00f3m t\u1eaft b\u1eb1ng ng\u00f4n ng\u1eef ng\u1eafn g\u1ecdn v\u00e0 d\u1ec5 hi\u1ec3u.<\/li>\n<\/ul>\n<p dir=\"ltr\">2. L\u1ef1a ch\u1ecdn ph\u00e9p t\u00ednh ph\u00f9 h\u1ee3p<\/p>\n<p dir=\"ltr\">Sau khi t\u00f3m t\u1eaft \u0111\u1ec1 b\u00e0i, tr\u1ebb c\u1ea7n x\u00e1c \u0111\u1ecbnh ph\u00e9p t\u00ednh ph\u00f9 h\u1ee3p \u0111\u1ec3 gi\u1ea3i b\u00e0i to\u00e1n. Ph\u1ee5 huynh v\u00e0 gi\u00e1o vi\u00ean c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 tr\u1ebb hi\u1ec3u r\u00f5 \u00fd ngh\u0129a c\u1ee7a c\u00e1c d\u1eef ki\u1ec7n v\u00e0 m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa ch\u00fang \u0111\u1ec3 ch\u1ecdn ph\u00e9p t\u00ednh ch\u00ednh x\u00e1c (c\u1ed9ng ho\u1eb7c tr\u1eeb). \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 gi\u00fap tr\u1ebb n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c to\u00e1n h\u1ecdc c\u01a1 b\u1ea3n.<\/p>\n<p dir=\"ltr\">3. Tr\u00ecnh b\u00e0y l\u1eddi gi\u1ea3i<\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc cu\u1ed1i c\u00f9ng l\u00e0 h\u01b0\u1edbng d\u1eabn tr\u1ebb tr\u00ecnh b\u00e0y l\u1eddi gi\u1ea3i c\u1ee7a b\u00e0i to\u00e1n. Tr\u1ebb c\u1ea7n vi\u1ebft c\u00e2u v\u0103n \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 gi\u1ea3i th\u00edch c\u00e1ch t\u00ecm ra k\u1ebft qu\u1ea3. V\u00ed d\u1ee5: &#8220;S\u1ed1 t\u00e1o c\u00f2n l\u1ea1i l\u00e0: 5 qu\u1ea3 \u2013 2 qu\u1ea3 = 3 qu\u1ea3&#8221;. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap tr\u1ebb c\u1ee7ng c\u1ed1 k\u1ef9 n\u0103ng vi\u1ebft m\u00e0 c\u00f2n gi\u00fap tr\u1ebb hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 quy tr\u00ecnh gi\u1ea3i to\u00e1n.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Chi_tiet_cach_giai_bai_toan_co_loi_van_lop_1\"><\/span>Chi ti\u1ebft c\u00e1ch gi\u1ea3i b\u00e0i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u1edbp 1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 d\u1ea1y to\u00e1n l\u1edbp 1 v\u1edbi d\u1ea1ng to\u00e1n to\u00e1n c\u00f3 l\u1eddi v\u0103n, b\u1ed1 m\u1eb9 c\u1ea7n c\u00f9ng c\u00e1c b\u1ea1n nh\u1ecf c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n tu\u1ea7n t\u1ef1 theo 5 b\u01b0\u1edbc sau \u0111\u00e2y:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Buoc_1_Doc_ki_de_bai\"><\/span>B\u01b0\u1edbc 1: \u0110\u1ecdc k\u0129 \u0111\u1ec1 b\u00e0i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean v\u00e0 c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng b\u01b0\u1edbc r\u1ea5t quan tr\u1ecdng m\u00e0 c\u00e1c b\u1ea1n c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi l\u00e0m b\u1ea5t c\u1ee9 m\u1ed9t d\u1ea1ng b\u00e0i t\u1eadp n\u00e0o ch\u1ee9 kh\u00f4ng ri\u00eang g\u00ec to\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n.<\/p>\n<p dir=\"ltr\">C\u00e1c con c\u1ea7n ph\u1ea3i \u0111\u1ecdc k\u1ef9 \u0111\u1ec1 b\u00e0i \u0111\u1ec3 xem b\u00e0i to\u00e1n \u0111\u00e3 cho nh\u1eefng d\u1eef li\u1ec7u g\u00ec v\u00e0 y\u00eau c\u1ea7u c\u00e1c b\u1ea1n nh\u1ecf c\u1ea7n ph\u1ea3i l\u00e0m g\u00ec.<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/lh3.googleusercontent.com\/X9WGRG9en4nOuzvQjqQU2AW-49nLEzx6WmHZTdwfwQPosEoeioPUSPSFLWIz6RtRdfxiv4eidpHPO0KysOjjCDwO7AGzBKa7HKxhenmdR5-SHpA2nVbTdb7rKfT9E8wB-4lVXPWxp7qzTvJ2a-GA34s\" width=\"602\" height=\"217\">C\u00e1c con c\u1ea7n \u0111\u1ecdc k\u1ef9 \u0111\u1ec1 b\u00e0i tr\u01b0\u1edbc khi l\u00e0m b\u00e0i t\u1eadp (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)<\/p>\n<p dir=\"ltr\">Th\u00f4ng qua vi\u1ec7c \u0111\u1ecdc \u0111\u1ec1 b\u00e0i th\u00ec c\u00e1c con c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1ch gi\u1ea3i nh\u01b0 th\u1ebf n\u00e0o, t\u00ecm ra \u0111\u01b0\u1ee3c ph\u01b0\u01a1ng \u00e1n gi\u1ea3i to\u00e1n ph\u00f9 h\u1ee3p nh\u1ea5t. Do \u0111\u00f3 c\u00e1c con kh\u00f4ng \u0111\u01b0\u1ee3c l\u01a1 l\u00e0 ch\u1ee7 quan b\u1ecf qua vi\u1ec7c \u0111\u1ecdc v\u00e0 t\u00ecm hi\u1ec3u \u0111\u1ec1 b\u00e0i.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Buoc_2_Tom_tat_de_bai\"><\/span>B\u01b0\u1edbc 2: T\u00f3m t\u1eaft \u0111\u1ec1 b\u00e0i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Sau khi \u0111\u00e3 \u0111\u1ecdc xong \u0111\u1ec1 b\u00e0i th\u00ec c\u00e1c b\u1ea1n nh\u1ecf c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n thao t\u00e1c t\u00f3m t\u1eaft \u0111\u1ec1 b\u00e0i. Thao t\u00e1c n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec khi t\u00f3m t\u1eaft \u0111\u1ec1 b\u00e0i th\u00ec c\u00e1c con c\u00f3 th\u1ec3 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c nh\u1eefng th\u00f4ng tin quan tr\u1ecdng v\u00e0 c\u1ea7n thi\u1ebft. Th\u1ebf n\u00ean, vi\u1ec7c cho tr\u1ebb h\u1ecdc c\u00e1ch t\u00f3m t\u1eaft b\u00e0i to\u00e1n l\u1edbp 1 tr\u01b0\u1edbc khi l\u00e0m b\u00e0i t\u1eadp l\u00e0 c\u1ef1c k\u1ef3 h\u1eefu \u00edch.<\/p>\n<p dir=\"ltr\">Khi n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c nh\u1eefng th\u00f4ng tin ch\u00ednh n\u00e0y th\u00ec c\u00e1c b\u1ea1n nh\u1ecf c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u00e1p d\u1ee5ng \u0111\u1ec3 gi\u1ea3i b\u00e0i t\u1eadp nhanh ch\u00f3ng. \u0110\u1eb7c bi\u1ec7t l\u00e0 n\u1ebfu nh\u01b0 c\u00e1c con nh\u00ecn v\u00e0o ph\u1ea7n t\u00f3m t\u1eaft th\u00ec b\u00e9 s\u1ebd kh\u00f4ng th\u1ec3 qu\u00ean \u0111\u01b0\u1ee3c b\u1ea5t c\u1ee9 d\u1eef li\u1ec7u quan tr\u1ecdng n\u00e0o n\u00ean h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c vi\u1ec7c tr\u1ea3 l\u1eddi sai \u1edf m\u1ee9c cao nh\u1ea5t.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Buoc_3_Tim_cach_giai_bai_toan_phu_hop\"><\/span>B\u01b0\u1edbc 3: T\u00ecm c\u00e1ch gi\u1ea3i b\u00e0i to\u00e1n ph\u00f9 h\u1ee3p\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">B\u01b0\u1edbc ti\u1ebfp theo c\u00e1c con c\u1ea7n th\u1ef1c hi\u1ec7n khi l\u00e0m to\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n \u0111\u00f3 ch\u00ednh l\u00e0 t\u00ecm c\u00e1ch gi\u1ea3i ph\u00f9 h\u1ee3p. B\u00e0i to\u00e1n s\u1ebd c\u00f3 m\u1ed9t y\u00eau c\u1ea7u ri\u00eang n\u00ean c\u00e1ch gi\u1ea3i b\u00e0i to\u00e1n l\u1edbp 1 c\u0169ng s\u1ebd c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t. Ch\u00ednh v\u00ec th\u1ebf m\u00e0 c\u00e1c con n\u00ean c\u00e2n nh\u1eafc \u0111\u1ec3 t\u00ecm ph\u00e9p t\u00ednh ph\u00f9 h\u1ee3p khi th\u1ef1c hi\u1ec7n b\u00e0i to\u00e1n.<\/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-toan-lop-1-co-loi-van.jpg\" alt=\"C\u00e1c b\u1ea1n nh\u1ecf c\u1ea7n t\u00ecm ra c\u00e1ch th\u1ee9c l\u00e0m b\u00e0i t\u1eadp ph\u00f9 h\u1ee3p (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Buoc_4_Trinh_bay_loi_giai\"><\/span>B\u01b0\u1edbc 4: Tr\u00ecnh b\u00e0y l\u1eddi gi\u1ea3i\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng b\u01b0\u1edbc r\u1ea5t quan tr\u1ecdng m\u00e0 c\u00e1c con c\u1ea7n th\u1ef1c hi\u1ec7n khi gi\u1ea3i b\u00e0i to\u00e1n c\u00f3 l\u1eddi v\u0103n. \u0110\u00e2y ch\u00ednh l\u00e0 vi\u1ec7c c\u00e1c c\u00f4ng tr\u00ecnh b\u00e0y b\u00e0i tr\u00ean v\u1edf c\u0169ng nh\u01b0 tr\u00ean gi\u1ea5y thi.<\/p>\n<p dir=\"ltr\">Trong ph\u1ea7n tr\u00ecnh b\u00e0y l\u1eddi gi\u1ea3i c\u00e1c con s\u1ebd vi\u1ebft c\u00e2u d\u1eabn. V\u1edbi c\u00e2u d\u1eabn n\u00e0y th\u00ec c\u00e1c con g\u1ea7n nh\u01b0 l\u1eb7p l\u1ea1i c\u00e2u h\u1ecfi nh\u01b0ng thay t\u1eeb &#8220;bao nhi\u00eau&#8221; b\u1eb1ng t\u1eeb &#8220;s\u1ed1&#8221; v\u00e0 th\u00eam t\u1eeb &#8220;l\u00e0&#8221; cu\u1ed1i c\u00e2u. V\u00ed d\u1ee5 \u0111\u1ec1 b\u00e0i h\u1ecfi: &#8220;H\u1ecfi c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau c\u00e2y tr\u00e1i trong v\u01b0\u1eddn?&#8221; th\u00ec c\u00e1c con s\u1ebd vi\u1ebft c\u00e2u tr\u1ea3 l\u1eddi l\u00e0: &#8220;C\u00f3 t\u1ea5t c\u1ea3 s\u1ed1 c\u00e2y tr\u00e1i trong v\u01b0\u1eddn l\u00e0:&#8221;.<\/p>\n<p dir=\"ltr\">Sau khi vi\u1ebft c\u00e2u d\u1eabn xong th\u00ec c\u00e1c con s\u1ebd th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh v\u00e0 vi\u1ebft l\u1ea1i to\u00e0n b\u1ed9 ph\u00e9p t\u00ednh n\u00e0y. K\u1ebft th\u00fac ph\u00e9p t\u00ednh th\u00ec c\u00e1c con s\u1ebd m\u1edf ngo\u1eb7c \u0111\u01a1n ghi \u0111\u01a1n v\u1ecb. Cu\u1ed1i c\u00f9ng l\u00e0 c\u00e1c b\u1ea1n nh\u1ecf ghi \u0111\u00e1p s\u1ed1. Ph\u1ea7n \u0111\u00e1p s\u1ed1 th\u00ec c\u00e1c con s\u1ebd ghi k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Buoc_5_Kiem_tra_lai_bai_lam_va_dap_so\"><\/span>B\u01b0\u1edbc 5: Ki\u1ec3m tra l\u1ea1i b\u00e0i l\u00e0m v\u00e0 \u0111\u00e1p s\u1ed1\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Tr\u00ecnh b\u00e0y xong m\u1ed9t b\u00e0i to\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n th\u00ec c\u00e1c b\u1ea1n nh\u1ecf n\u00ean ki\u1ec3m tra l\u1ea1i b\u00e0i c\u1ee7a m\u00ecnh m\u1ed9t l\u1ea7n n\u1eefa. M\u1ee5c \u0111\u00edch c\u1ee7a vi\u1ec7c ki\u1ec3m tra n\u00e0y s\u1ebd gi\u00fap cho c\u00e1c con c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n ra \u0111\u01b0\u1ee3c l\u1ed7i sai v\u00e0 k\u1ecbp th\u1eddi kh\u1eafc ph\u1ee5c ngay l\u1eadp t\u1ee9c.<\/p>\n<p dir=\"ltr\">Ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c con l\u00e0m sai ph\u00e9p t\u00ednh ho\u1eb7c ghi sai \u0111\u01a1n v\u1ecb th\u00ec c\u00e1c b\u1ea1n nh\u1ecf c\u00f3 th\u1ec3 vi\u1ebft l\u1ea1i c\u00e2u tr\u1ea3 l\u1eddi.<\/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-toan-lop-1-co-loi-van.jpg\" alt=\"C\u00e1c con c\u1ea7n ph\u1ea3i ki\u1ec3m tra l\u1ea1i \u0111\u00e1p \u00e1n sau khi ho\u00e0n th\u00e0nh b\u00e0i t\u1eadp (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tong_hop_mot_so_bai_toan_co_loi_van_lop_1_co_dap_an_de_be_luyen_tap\"><\/span>T\u1ed5ng h\u1ee3p m\u1ed9t s\u1ed1 b\u00e0i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u1edbp 1 c\u00f3 \u0111\u00e1p \u00e1n \u0111\u1ec3 b\u00e9 luy\u1ec7n t\u1eadp<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">N\u1ebfu nh\u01b0 c\u00e1c b\u1eadc ph\u1ee5 huynh mu\u1ed1n cho b\u00e9 luy\u1ec7n t\u1eadp to\u00e1n l\u1edbp 1 c\u00f3 l\u1eddi v\u0103n v\u00e0 b\u00e0i gi\u1ea3i l\u1edbp 1, c\u0169ng nh\u01b0 b\u00e0i gi\u1ea3i to\u00e1n l\u1edbp 1 th\u00ec sau \u0111\u00e2y s\u1ebd l\u00e0 m\u1ed9t s\u1ed1 g\u1ee3i \u00fd chi ti\u1ebft:<\/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\">Nh\u00e0 b\u1ea1n Hoa c\u00f3 10 ch\u00fa g\u00e0 tr\u1ed1ng. M\u1eb9 Hoa mua th\u00eam 10 con g\u00e0 m\u00e1i. H\u1ecfi nh\u00e0 b\u1ea1n Hoa c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau con g\u00e0?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">S\u1ed1 g\u00e0 nh\u00e0 b\u1ea1n Hoa c\u00f3 t\u1ea5t c\u1ea3 bao g\u1ed3m s\u1ed1 g\u00e0 tr\u1ed1ng ban \u0111\u1ea7u v\u00e0 s\u1ed1 g\u00e0 m\u00e1i mua th\u00eam. Do \u0111\u00f3, ta c\u00f3 th\u1ec3 t\u00ednh b\u1eb1ng t\u1ed5ng sau:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">T\u1ed5ng s\u1ed1 g\u00e0 = S\u1ed1 g\u00e0 tr\u1ed1ng + S\u1ed1 g\u00e0 m\u00e1i<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 10 con + 10 con<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 20 con<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady nh\u00e0 b\u1ea1n Hoa c\u00f3 t\u1ea5t c\u1ea3 20 con g\u00e0.<\/p>\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\">B\u00e9 c\u00f3 20 c\u00e1i k\u1eb9o. B\u00e9 cho em 5 c\u00e1i k\u1eb9o. H\u1ecfi b\u00e9 c\u00f2n l\u1ea1i bao nhi\u00eau c\u00e1i k\u1eb9o?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">S\u1ed1 k\u1eb9o b\u00e9 c\u00f2n l\u1ea1i l\u00e0 s\u1ed1 k\u1eb9o b\u00e9 c\u00f3 ban \u0111\u1ea7u tr\u1eeb \u0111i s\u1ed1 k\u1eb9o b\u00e9 cho em. Do \u0111\u00f3, ta c\u00f3 th\u1ec3 t\u00ednh b\u1eb1ng ph\u00e9p tr\u1eeb sau:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">S\u1ed1 k\u1eb9o c\u00f2n l\u1ea1i = S\u1ed1 k\u1eb9o ban \u0111\u1ea7u &#8211; S\u1ed1 k\u1eb9o cho em<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 20 c\u00e1i &#8211; 5 c\u00e1i<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 15 c\u00e1i<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady b\u00e9 c\u00f2n l\u1ea1i 15 c\u00e1i k\u1eb9o.<\/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-toan-lop-1-co-loi-van.jpg\" alt=\"B\u00e0i t\u1eadp to\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\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\">B\u1ea1n Nam c\u00f3 10 qu\u1ea3 b\u00f3ng. B\u1ea1n Phong c\u00f3 12 qu\u1ea3 b\u00f3ng. H\u1ecfi c\u1ea3 hai b\u1ea1n c\u00f3 bao nhi\u00eau qu\u1ea3 b\u00f3ng?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">\u0110\u1ec3 t\u00ecm t\u1ed5ng s\u1ed1 b\u00f3ng c\u1ea3 hai b\u1ea1n c\u00f3, ta c\u1ea7n c\u1ed9ng s\u1ed1 b\u00f3ng c\u1ee7a b\u1ea1n Nam v\u00e0 s\u1ed1 b\u00f3ng c\u1ee7a b\u1ea1n Phong.<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">T\u1ed5ng s\u1ed1 b\u00f3ng = S\u1ed1 b\u00f3ng c\u1ee7a b\u1ea1n Nam + S\u1ed1 b\u00f3ng c\u1ee7a b\u1ea1n Phong<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 10 qu\u1ea3 + 12 qu\u1ea3<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 22 qu\u1ea3<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady c\u1ea3 hai b\u1ea1n c\u00f3 t\u1ea5t c\u1ea3 22 qu\u1ea3 b\u00f3ng.<\/p>\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\">Trung c\u00f3 \u0111o\u1ea1n d\u00e2y 100 cm. Trung d\u00f9ng k\u00e9o c\u1eaft \u0111i m\u1ed9t \u0111o\u1ea1n d\u00e2y 30 cm. H\u1ecfi \u0111o\u1ea1n d\u00e2y c\u00f2n l\u1ea1i bao nhi\u00eau cm?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">Chi\u1ec1u d\u00e0i \u0111o\u1ea1n d\u00e2y c\u00f2n l\u1ea1i l\u00e0 chi\u1ec1u d\u00e0i \u0111o\u1ea1n d\u00e2y ban \u0111\u1ea7u tr\u1eeb \u0111i chi\u1ec1u d\u00e0i \u0111o\u1ea1n d\u00e2y \u0111\u00e3 c\u1eaft. Do \u0111\u00f3, ta c\u00f3 th\u1ec3 t\u00ednh b\u1eb1ng ph\u00e9p tr\u1eeb sau:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">Chi\u1ec1u d\u00e0i d\u00e2y c\u00f2n l\u1ea1i = Chi\u1ec1u d\u00e0i d\u00e2y ban \u0111\u1ea7u &#8211; Chi\u1ec1u d\u00e0i d\u00e2y \u0111\u00e3 c\u1eaft<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 100 cm &#8211; 30 cm<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 70 cm<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady \u0111o\u1ea1n d\u00e2y c\u00f2n l\u1ea1i d\u00e0i 70 cm.<\/p>\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\">L\u1edbp 1A c\u00f3 t\u1ea5t c\u1ea3 30 b\u1ea1n h\u1ecdc sinh c\u1ea3 nam v\u00e0 n\u1eef. Trong l\u1edbp c\u00f3 18 b\u1ea1n n\u1eef. H\u1ecfi l\u1edbp 1A c\u00f3 bao nhi\u00eau b\u1ea1n nam?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">S\u1ed1 b\u1ea1n nam trong l\u1edbp 1A l\u00e0 t\u1ed5ng s\u1ed1 h\u1ecdc sinh tr\u1eeb \u0111i s\u1ed1 b\u1ea1n n\u1eef. Do \u0111\u00f3, ta c\u00f3 th\u1ec3 t\u00ednh b\u1eb1ng ph\u00e9p tr\u1eeb sau:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">S\u1ed1 b\u1ea1n nam = T\u1ed5ng s\u1ed1 h\u1ecdc sinh &#8211; S\u1ed1 b\u1ea1n n\u1eef<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 30 h\u1ecdc sinh &#8211; 18 h\u1ecdc sinh<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 12 h\u1ecdc sinh<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady l\u1edbp 1A c\u00f3 12 b\u1ea1n nam.<\/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\">M\u1ed9t chi\u1ebfc b\u00e1nh m\u00ec c\u00f3 gi\u00e1 10.000 \u0111\u1ed3ng. M\u1ed9t c\u00e1i x\u00fac x\u00edch c\u0169ng c\u00f3 gi\u00e1 10.000 \u0111\u1ed3ng. H\u1ecfi c\u1ea3 b\u00e1nh m\u00ec v\u00e0 x\u00fac x\u00edch bao nhi\u00eau ti\u1ec1n?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">\u0110\u1ec3 t\u00ecm t\u1ed5ng gi\u00e1 ti\u1ec1n c\u1ee7a m\u1ed9t chi\u1ebfc b\u00e1nh m\u00ec v\u00e0 m\u1ed9t c\u00e1i x\u00fac x\u00edch, ta c\u1ea7n c\u1ed9ng gi\u00e1 b\u00e1nh m\u00ec v\u00e0 gi\u00e1 x\u00fac x\u00edch.<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">T\u1ed5ng gi\u00e1 ti\u1ec1n = Gi\u00e1 b\u00e1nh m\u00ec + Gi\u00e1 x\u00fac x\u00edch<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 10.000 \u0111\u1ed3ng + 10.000 \u0111\u1ed3ng<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 20.000 \u0111\u1ed3ng<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady t\u1ed5ng gi\u00e1 ti\u1ec1n c\u1ee7a m\u1ed9t chi\u1ebfc b\u00e1nh m\u00ec v\u00e0 m\u1ed9t c\u00e1i x\u00fac x\u00edch l\u00e0 20.000 \u0111\u1ed3ng.<\/p>\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\">Tr\u01b0\u1eddng c\u00f3 10 qu\u1ea3 cam. Tr\u01b0\u1eddng ra v\u01b0\u1eddn v\u00e0 h\u00e1i th\u00eam 5 qu\u1ea3 cam. H\u1ecfi Tr\u01b0\u1eddng c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau qu\u1ea3 cam?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">S\u1ed1 cam Tr\u01b0\u1eddng c\u00f3 t\u1ea5t c\u1ea3 l\u00e0 t\u1ed5ng s\u1ed1 cam ban \u0111\u1ea7u v\u00e0 s\u1ed1 cam h\u00e1i th\u00eam:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">S\u1ed1 cam Tr\u01b0\u1eddng c\u00f3 t\u1ea5t c\u1ea3 = S\u1ed1 cam ban \u0111\u1ea7u + S\u1ed1 cam h\u00e1i th\u00eam<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 10 qu\u1ea3 + 5 qu\u1ea3<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 15 qu\u1ea3<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady Tr\u01b0\u1eddng c\u00f3 t\u1ea5t c\u1ea3 15 qu\u1ea3 cam.<\/p>\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\">Trung c\u00f3 10 vi\u00ean bi. Trung chia cho Tu\u1ea5n 8 vi\u00ean bi. H\u1ecfi Trung c\u00f2n l\u1ea1i bao nhi\u00eau vi\u00ean bi?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">S\u1ed1 vi\u00ean bi Trung c\u00f2n l\u1ea1i l\u00e0 s\u1ed1 vi\u00ean bi ban \u0111\u1ea7u tr\u1eeb \u0111i s\u1ed1 vi\u00ean bi Trung \u0111\u00e3 chia cho Tu\u1ea5n:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">S\u1ed1 vi\u00ean bi Trung c\u00f2n l\u1ea1i = S\u1ed1 vi\u00ean bi ban \u0111\u1ea7u &#8211; S\u1ed1 vi\u00ean bi Trung chia cho Tu\u1ea5n<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 10 vi\u00ean &#8211; 8 vi\u00ean<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 2 vi\u00ean<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady Trung c\u00f2n l\u1ea1i 2 vi\u00ean bi.<\/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-toan-lop-1-co-loi-van.jpg\" alt=\"B\u00e0i t\u1eadp cho b\u00e9 luy\u1ec7n t\u1eadp v\u1ec1 to\u00e1n c\u00f3 l\u1eddi v\u0103n (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\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\">Trong 2 gi\u1edd \u0111\u1ed3ng h\u1ed3 con \u1ed1c s\u00ean b\u00f2 \u0111\u01b0\u1ee3c 50cm. Trong 3 gi\u1edd \u0111\u1ed3ng h\u1ed3 ti\u1ebfp theo con \u1ed1c s\u00ean b\u00f2 \u0111\u01b0\u1ee3c 75 cm. H\u1ecfi trong t\u1ea5t c\u1ea3 5 gi\u1edd con \u1ed1c s\u00ean b\u00f2 \u0111\u01b0\u1ee3c bao nhi\u00eau cm?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">Trong 5 gi\u1edd con \u1ed1c s\u00ean b\u00f2 \u0111\u01b0\u1ee3c bao nhi\u00eau cm \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch l\u1ea5y qu\u00e3ng \u0111\u01b0\u1eddng \u1ed1c s\u00ean b\u00f2 \u0111\u01b0\u1ee3c trong 2 gi\u1edd c\u00f4ng v\u1edbi qu\u00e3ng \u0111\u01b0\u1eddng \u1ed1c s\u00ean b\u00f2 \u0111\u01b0\u1ee3c trong 3 gi\u1edd ti\u1ebfp theo (v\u00ec 2 gi\u1edd + 3 gi\u1edd = 5 gi\u1edd).<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">Qu\u00e3ng \u0111\u01b0\u1eddng \u1ed1c s\u00ean b\u00f2 \u0111\u01b0\u1ee3c trong 5 gi\u1edd = Qu\u00e3ng \u0111\u01b0\u1eddng \u1ed1c s\u00ean b\u00f2 \u0111\u01b0\u1ee3c trong 2 gi\u1edd + Qu\u00e3ng \u0111\u01b0\u1eddng \u1ed1c s\u00ean b\u00f2 \u0111\u01b0\u1ee3c trong 3 gi\u1edd<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 50 cm + 75 cm<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 125 cm<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady qu\u00e3ng \u0111\u01b0\u1eddng \u1ed1c s\u00ean b\u00f2 \u0111\u01b0\u1ee3c trong 5 gi\u1edd l\u00e0 125 cm.<\/p>\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\">M\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt c\u00f3 chi\u1ec1u d\u00e0i b\u1eb1ng 10 cm. Chi\u1ec1u r\u1ed9ng c\u1ee7a h\u00ecnh ch\u1eef nh\u1eadt b\u1eb1ng 3 cm. H\u1ecfi chi\u1ec1u d\u00e0i h\u00ecnh ch\u1eef nh\u1eadt h\u01a1n chi\u1ec1u r\u1ed9ng h\u00ecnh ch\u1eef nh\u1eadt bao nhi\u00eau cm.<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">Chi\u1ec1u d\u00e0i h\u01a1n chi\u1ec1u r\u1ed9ng = Chi\u1ec1u d\u00e0i &#8211; Chi\u1ec1u r\u1ed9ng<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 10 cm &#8211; 3 cm<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 7 cm<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady chi\u1ec1u d\u00e0i h\u00ecnh ch\u1eef nh\u1eadt h\u01a1n chi\u1ec1u r\u1ed9ng h\u00ecnh ch\u1eef nh\u1eadt 7 cm.<\/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\">\u0110\u1ed9i m\u00faa c\u00f3 10 b\u1ea1n tham gia. Sau \u0111\u00f3 c\u00f3 th\u00eam t\u00e1m b\u1ea1n n\u1eefa tham gia. H\u1ecfi \u0111\u1ed9i m\u00faa c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau b\u1ea1n?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">S\u1ed1 b\u1ea1n tham gia \u0111\u1ed9i m\u00faa sau khi c\u00f3 th\u00eam 8 b\u1ea1n l\u00e0:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">S\u1ed1 b\u1ea1n tham gia \u0111\u1ed9i m\u00faa = S\u1ed1 b\u1ea1n tham gia ban \u0111\u1ea7u + S\u1ed1 b\u1ea1n tham gia th\u00eam<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 10 b\u1ea1n + 8 b\u1ea1n<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 18 b\u1ea1n<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady \u0111\u1ed9i m\u00faa c\u00f3 t\u1ea5t c\u1ea3 18 b\u1ea1n.<\/p>\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\">Ph\u01b0\u01a1ng mua 10 c\u00e1i k\u1eb9o h\u1ebft 8.000 \u0111\u1ed3ng. Ph\u01b0\u01a1ng mua th\u00eam 2 g\u00f3i bim bim h\u1ebft 10.000 \u0111\u1ed3ng. H\u1ecfi Ph\u01b0\u01a1ng mua 10 c\u00e1i k\u1eb9o v\u00e0 2 g\u00f3i bim bim h\u1ebft t\u1ea5t c\u1ea3 bao nhi\u00eau ti\u1ec1n?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">S\u1ed1 ti\u1ec1n ph\u01b0\u01a1ng mua 10 c\u00e1i k\u1eb9o v\u00e0 2 g\u00f3i bim bim l\u00e0:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">S\u1ed1 ti\u1ec1n ph\u01b0\u01a1ng mua 10 c\u00e1i k\u1eb9o v\u00e0 2 g\u00f3i bim bim = S\u1ed1 ti\u1ec1n ph\u01b0\u01a1ng mua 10 c\u00e1i k\u1eb9o + S\u1ed1 ti\u1ec1n ph\u01b0\u01a1ng mua 2 g\u00f3i bim bim<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 8.000 \u0111\u1ed3ng + 10.000 \u0111\u1ed3ng<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 18.000 \u0111\u1ed3ng<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady s\u1ed1 ti\u1ec1n ph\u01b0\u01a1ng mua 10 c\u00e1i k\u1eb9o v\u00e0 2 g\u00f3i bim bim l\u00e0 8.000 \u0111\u1ed3ng.<\/p>\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\">Di\u1ec7p \u0111\u01b0\u1ee3c m\u1eb9 cho 30 c\u00e1i k\u1eb9o. Sau \u0111\u00f3 b\u00e0 ngo\u1ea1i l\u1ea1i cho Di\u1ec7p 38 c\u00e1i k\u1eb9o. H\u1ecfi Di\u1ec7p c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau c\u00e1i k\u1eb9o?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">S\u1ed1 k\u1eb9o Di\u1ec7p c\u00f3 t\u1ea5t c\u1ea3 l\u00e0 t\u1ed5ng s\u1ed1 k\u1eb9o m\u1eb9 cho v\u00e0 s\u1ed1 k\u1eb9o b\u00e0 ngo\u1ea1i cho:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">S\u1ed1 k\u1eb9o Di\u1ec7p c\u00f3 = S\u1ed1 k\u1eb9o m\u1eb9 cho + S\u1ed1 k\u1eb9o b\u00e0 ngo\u1ea1i cho<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 30 c\u00e1i + 38 c\u00e1i<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 68 c\u00e1i<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady Di\u1ec7p c\u00f3 t\u1ea5t c\u1ea3 68 c\u00e1i k\u1eb9o.<\/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\/6-toan-lop-1-co-loi-van.jpg\" alt=\"B\u1ed1 m\u1eb9 l\u00ean cho con l\u00e0m nh\u1eefng b\u00e0i t\u1eadp n\u00e0o li\u00ean quan \u0111\u1ebfn to\u00e1n c\u00f3 l\u1eddi v\u0103n? (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\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\">B\u00ecnh c\u00f3 10 quy\u1ec3n v\u1edf. B\u00ecnh chia cho em 3 quy\u1ec3n v\u1edf. H\u1ecfi B\u00ecnh c\u00f2n bao nhi\u00eau quy\u1ec3n v\u1edf?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">S\u1ed1 v\u1edf B\u00ecnh c\u00f2n l\u1ea1i sau khi chia cho em l\u00e0:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">S\u1ed1 v\u1edf c\u00f2n l\u1ea1i = S\u1ed1 v\u1edf ban \u0111\u1ea7u &#8211; S\u1ed1 v\u1edf \u0111\u00e3 chia<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 10 quy\u1ec3n &#8211; 3 quy\u1ec3n<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 7 quy\u1ec3n<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady B\u00ecnh c\u00f2n l\u1ea1i 7 quy\u1ec3n v\u1edf.<\/p>\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\">Mi c\u00f3 8 c\u00e1i th\u01b0\u1edbc k\u1ebb. My \u0111\u00e3 cho em m\u1ed9t v\u00e0i chi\u1ebfc th\u01b0\u1edbc k\u1ebb. S\u1ed1 th\u01b0\u1edbc k\u1ebb c\u00f2n l\u1ea1i c\u1ee7a My l\u00e0 5 c\u00e1i. H\u1ecfi My \u0111\u00e3 cho em m\u1ea5y c\u00e1i th\u01b0\u1edbc k\u1ebb?<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">B\u00e0i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">S\u1ed1 th\u01b0\u1edbc k\u1ebb My \u0111\u00e3 cho em l\u00e0:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">S\u1ed1 th\u01b0\u1edbc k\u1ebb \u0111\u00e3 cho = S\u1ed1 th\u01b0\u1edbc k\u1ebb ban \u0111\u1ea7u &#8211; S\u1ed1 th\u01b0\u1edbc k\u1ebb c\u00f2n l\u1ea1i<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 8 c\u00e1i &#8211; 5 c\u00e1i<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 3 c\u00e1i<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">V\u1eady My \u0111\u00e3 cho em 3 c\u00e1i th\u01b0\u1edbc k\u1ebb.<\/p>\n<p dir=\"ltr\">\u00a0<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_nhung_luu_y_khi_giai_toan_co_loi_van_lop_1\"><\/span>M\u1ed9t s\u1ed1 nh\u1eefng l\u01b0u \u00fd khi gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u1edbp 1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"0\" data-end=\"279\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u01b0u \u00fd quan tr\u1ecdng khi gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n d\u00e0nh cho h\u1ecdc sinh l\u1edbp 1. \u0110\u00e2y l\u00e0 d\u1ea1ng b\u00e0i gi\u00fap h\u1ecdc sinh ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng \u0111\u1ecdc hi\u1ec3u, ph\u00e2n t\u00edch t\u00ecnh hu\u1ed1ng v\u00e0 l\u1ef1a ch\u1ecdn ph\u00e9p t\u00ednh ph\u00f9 h\u1ee3p. Tuy nhi\u00ean, \u0111\u1ec3 l\u00e0m b\u00e0i ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3, h\u1ecdc sinh c\u1ea7n ghi nh\u1edb nh\u1eefng \u0111i\u1ec1u sau:<\/p>\n<p>\u00a0<\/p>\n<ol data-start=\"281\" data-end=\"1160\">\n<li class=\"\" data-start=\"281\" data-end=\"392\">\n<p class=\"\" data-start=\"284\" data-end=\"392\">\u0110\u1ecdc k\u1ef9 \u0111\u1ec1 b\u00e0i t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i \u0111\u1ec3 hi\u1ec3u r\u00f5 n\u1ed9i dung c\u00e2u h\u1ecfi. Tr\u00e1nh \u0111\u1ecdc l\u01b0\u1edbt khi\u1ebfn b\u1ecf s\u00f3t th\u00f4ng tin quan tr\u1ecdng.<\/p>\n<\/li>\n<li class=\"\" data-start=\"394\" data-end=\"539\">\n<p class=\"\" data-start=\"397\" data-end=\"539\">X\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c d\u1eef ki\u1ec7n ch\u00ednh trong b\u00e0i, bao g\u1ed3m c\u00e1c con s\u1ed1 v\u00e0 th\u00f4ng tin li\u00ean quan \u0111\u1ebfn h\u00e0nh \u0111\u1ed9ng (nh\u01b0 th\u00eam v\u00e0o, b\u1edbt \u0111i, c\u00f2n l\u1ea1i, t\u1ea5t c\u1ea3&#8230;).<\/p>\n<\/li>\n<li class=\"\" data-start=\"541\" data-end=\"740\">\n<p class=\"\" data-start=\"544\" data-end=\"740\">Nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c t\u1eeb kh\u00f3a \u0111\u1ec3 ch\u1ecdn ph\u00e9p t\u00ednh ph\u00f9 h\u1ee3p. Nh\u1eefng t\u1eeb nh\u01b0 \u201cth\u00eam\u201d, \u201cn\u1eefa\u201d, \u201cc\u00f3 t\u1ea5t c\u1ea3\u201d th\u01b0\u1eddng g\u1ee3i \u00fd d\u00f9ng ph\u00e9p c\u1ed9ng. Nh\u1eefng t\u1eeb nh\u01b0 \u201cb\u1edbt\u201d, \u201cc\u00f2n l\u1ea1i\u201d, \u201cm\u1ea5t \u0111i\u201d, \u201c\u00edt h\u01a1n\u201d th\u01b0\u1eddng g\u1ee3i \u00fd d\u00f9ng ph\u00e9p tr\u1eeb.<\/p>\n<\/li>\n<li class=\"\" data-start=\"742\" data-end=\"860\">\n<p class=\"\" data-start=\"745\" data-end=\"860\">Vi\u1ebft c\u00e2u l\u1eddi gi\u1ea3i r\u00f5 r\u00e0ng, ng\u1eafn g\u1ecdn, \u0111\u00fang v\u1edbi n\u1ed9i dung c\u00e2u h\u1ecfi trong \u0111\u1ec1 b\u00e0i. Kh\u00f4ng c\u1ea7n vi\u1ebft d\u00e0i d\u00f2ng, ch\u1ec9 c\u1ea7n \u0111\u1ee7 \u00fd.<\/p>\n<\/li>\n<li class=\"\" data-start=\"862\" data-end=\"963\">\n<p class=\"\" data-start=\"865\" data-end=\"963\">Tr\u00ecnh b\u00e0y ph\u00e9p t\u00ednh ch\u00ednh x\u00e1c, ngay d\u01b0\u1edbi l\u1eddi gi\u1ea3i. Ch\u00fa \u00fd vi\u1ebft \u0111\u00fang th\u1ee9 t\u1ef1 c\u00e1c s\u1ed1 v\u00e0 d\u1ea5u ph\u00e9p t\u00ednh.<\/p>\n<\/li>\n<li class=\"\" data-start=\"965\" data-end=\"1051\">\n<p class=\"\" data-start=\"968\" data-end=\"1051\">Ghi \u0111\u00e1p s\u1ed1 r\u00f5 r\u00e0ng, \u0111\u1ea7y \u0111\u1ee7 \u0111\u01a1n v\u1ecb (qu\u1ea3, con, b\u1ea1n, c\u00e1i&#8230;), \u0111\u00fang v\u1edbi y\u00eau c\u1ea7u \u0111\u1ec1 b\u00e0i.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1053\" data-end=\"1160\">\n<p class=\"\" data-start=\"1056\" data-end=\"1160\">Sau khi l\u00e0m xong, n\u00ean \u0111\u1ecdc l\u1ea1i to\u00e0n b\u1ed9 b\u00e0i to\u00e1n v\u00e0 ph\u1ea7n gi\u1ea3i \u0111\u1ec3 ki\u1ec3m tra xem \u0111\u00e3 h\u1ee3p l\u00fd v\u00e0 ch\u00ednh x\u00e1c ch\u01b0a.<\/p>\n<\/li>\n<\/ol>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bi_quyet_giup_be_hoc_toan_lop_1_giai_toan_co_loi_van_hieu_qua\"><\/span>B\u00ed quy\u1ebft gi\u00fap b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Ngo\u00e0i luy\u1ec7n t\u1eadp to\u00e1n c\u00f3 l\u1eddi gi\u1ea3i l\u1edbp 1, n\u1ebfu nh\u01b0 c\u00e1c b\u1eadc ph\u1ee5 huynh mu\u1ed1n cho b\u00e9 nh\u00e0 m\u00ecnh h\u1ecdc t\u1ed1t to\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n th\u00ec b\u1ed1 m\u1eb9 n\u00ean b\u1ecf t\u00fai ngay 5 b\u00ed quy\u1ebft sau \u0111\u00e2y:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hoc_toan_lop_1_giai_toan_co_loi_van_cung_voi_Shining_Home_%E2%80%93_Gia_dinh_Anh_Ngu_Math\"><\/span>H\u1ecdc to\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n c\u00f9ng v\u1edbi Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">H\u1ecdc to\u00e1n l\u1edbp 1 ch\u1eafc ch\u1eafn c\u00e1c b\u1eadc ph\u1ee5 huynh kh\u00f4ng n\u00ean b\u1ecf qua m\u1ed9t \u1ee9ng d\u1ee5ng v\u00f4 c\u00f9ng tuy\u1ec7t v\u1eddi \u0111\u00f3 ch\u00ednh l\u00e0\u00a0Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math. N\u1ec1n t\u1ea3ng h\u1ecdc to\u00e1n n\u00e0y s\u1ebd c\u1ef1c k\u1ef3 h\u1eefu \u00edch \u0111\u1ed1i v\u1edbi c\u00e1c con, gi\u00fap c\u00e1c con c\u00f3 th\u1ec3 h\u1ecdc t\u1ed1t ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n l\u1edbp 1 n\u00f3i chung v\u00e0 to\u00e1n c\u00f3 l\u1eddi v\u0103n n\u00f3i ri\u00eang.<\/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\/MM2.jpg\" alt=\"C\u00f9ng Shining Home - Gia \u0111\u00ecnh Anh Ng\u1eef Math l\u00e0m to\u00e1n c\u00f3 l\u1eddi v\u0103n (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u00e1c b\u00e0i h\u1ecdc c\u00f3 \u0111\u1ed9 d\u00e0i t\u1eeb 15 \u0111\u1ebfn 30 ph\u00fat nh\u01b0ng h\u01b0\u1edbng d\u1eabn r\u1ea5t chi ti\u1ebft cho c\u00e1c con c\u00e1ch l\u00e0m b\u00e0i to\u00e1n c\u00f3 l\u1eddi v\u0103n. \u0110\u1ed3ng th\u1eddi c\u00e1c b\u1ea1n nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 tham gia v\u00e0o nh\u1eefng tr\u00f2 ch\u01a1i \u1edf cu\u1ed1i m\u1ed7i bu\u1ed5i h\u1ecdc \u0111\u1ec3 c\u1ee7ng c\u1ed1 th\u00eam ki\u1ebfn th\u1ee9c v\u1ec1 d\u1ea1ng to\u00e1n n\u00e0y.<\/p>\n<p dir=\"ltr\">Ngo\u00e0i ra, c\u00e1c b\u1eadc ph\u1ee5 huynh c\u0169ng c\u00f3 th\u1ec3 tham kh\u1ea3o ngay nh\u1eefng b\u00e0i t\u1eadp m\u00e0 Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math tri\u1ec3n khai \u0111\u1ec3 c\u00e1c con th\u1ef1c h\u00e0nh. Nh\u1eefng b\u00e0i t\u1eadp Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math thi\u1ebft k\u1ebf lu\u00f4n ph\u00f9 h\u1ee3p v\u1edbi s\u1ee9c h\u1ecdc c\u1ee7a c\u00e1c con n\u00ean h\u1ea7u nh\u01b0 c\u00e1c b\u00e9 \u0111\u1ec1u c\u1ea3m th\u1ea5y r\u1ea5t h\u1ee9ng th\u00fa trong qu\u00e1 tr\u00ecnh l\u00e0m b\u00e0i t\u1eadp.<\/p>\n<table style=\"border-collapse: collapse;width: 100.01%;background-color: #fbeeb8\" border=\"1\">\n<tr>\n<td style=\"width: 98.5932%\">\n<p style=\"text-align: center\">\u0110\u1eeaNG B\u1ece L\u1ee0!!<\/p>\n<p style=\"text-align: center\">Ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc To\u00e1n b\u1eb1ng ti\u1ebfng Anh, gi\u00fap ph\u00e1t tri\u1ec3n t\u01b0 duy m\u1ed9t c\u00e1ch to\u00e0n di\u1ec7n nh\u1ea5t.<\/p>\n<p style=\"text-align: center\">Nh\u1eadn \u01b0u \u0111\u00e3i l\u00ean \u0111\u1ebfn 40% NGAY T\u1ea0I \u0110\u00c2Y!<img decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/monkeymedia.vcdn.com.vn\/upload\/web\/img\/taimienphiMM.png\" width=\"185\"><\/p>\n<\/td>\n<\/tr>\n<\/table>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Day_be_hieu_duoc_ban_chat_cua_phep_tinh_cong_va_tru\"><\/span>D\u1ea1y b\u00e9 hi\u1ec3u \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t c\u1ee7a ph\u00e9p t\u00ednh c\u1ed9ng v\u00e0 tr\u1eeb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Mu\u1ed1n cho c\u00e1c con l\u00e0m \u0111\u01b0\u1ee3c b\u00e0i t\u1eadp gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n th\u00ec tr\u01b0\u1edbc h\u1ebft c\u00e1c b\u1eadc ph\u1ee5 huynh c\u1ea7n ph\u1ea3i d\u1ea1y cho b\u00e9 hi\u1ec3u \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t c\u1ee7a ph\u00e9p t\u00ednh c\u1ed9ng v\u00e0 tr\u1eeb l\u00e0 nh\u01b0 th\u1ebf n\u00e0o. B\u1ed1 m\u1eb9 c\u1ea7n ph\u1ea3i ch\u1ec9 cho con c\u1ed9ng l\u00e0 th\u00eam v\u00e0 tr\u1eeb l\u00e0 b\u1edbt.<\/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-toan-lop-1-co-loi-van.jpg\" alt=\"C\u00e1c b\u1eadc ph\u1ee5 huynh ph\u1ea3i gi\u00fap cho con hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t c\u1ee7a c\u00e1c ph\u00e9p t\u00ednh (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">L\u00fd do m\u00e0 c\u00e1c b\u1eadc ph\u1ee5 huynh ph\u1ea3i cho con hi\u1ec3u b\u1ea3n ch\u1ea5t c\u1ee7a ph\u00e9p c\u1ed9ng v\u00e0 ph\u00e9p tr\u1eeb l\u00e0 b\u1edfi \u0111\u00f4i khi trong c\u00e1c b\u00e0i to\u00e1n c\u00f3 l\u1eddi v\u0103n ng\u01b0\u1eddi ta s\u1ebd s\u1eed d\u1ee5ng nh\u1eefng thu\u1eadt ng\u1eef n\u00e0y. N\u1ebfu nh\u01b0 c\u00e1c b\u1ea1n nh\u1ecf kh\u00f4ng hi\u1ec3u \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t th\u00ec s\u1ebd r\u1ea5t kh\u00f3 \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh, c\u0169ng nh\u01b0 l\u00e0 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u1edbp 1.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Huong_dan_con_cach_tom_tat_de_bai\"><\/span>H\u01b0\u1edbng d\u1eabn con c\u00e1ch t\u00f3m t\u1eaft \u0111\u1ec1 b\u00e0i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00f3m t\u1eaft \u0111\u1ec1 b\u00e0i l\u00e0 m\u1ed9t trong nh\u1eefng b\u01b0\u1edbc r\u1ea5t quan tr\u1ecdng khi l\u00e0m b\u00e0i t\u1eadp gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n. C\u00e1c con ph\u1ea3i bi\u1ebft c\u00e1ch t\u00f3m t\u1eaft \u0111\u1ec1 b\u00e0i th\u00ec b\u00e9 m\u1edbi n\u1eafm \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng tin d\u1eef li\u1ec7u quan tr\u1ecdng. D\u1ef1a v\u00e0o \u0111\u00f3 th\u00ec c\u00e1c con m\u1edbi c\u00f3 th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c b\u00e0i t\u1eadp v\u1edbi ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t.<\/p>\n<p dir=\"ltr\">Ch\u00ednh v\u00ec th\u1ebf b\u1ed1 m\u1eb9 n\u00ean h\u01b0\u1edbng d\u1eabn b\u00e9 ghi v\u1eafn t\u1eaft n\u1ed9i dung ch\u00ednh nh\u1eefng d\u1eef li\u1ec7u m\u00e0 \u0111\u1ec1 b\u00e0i \u0111\u00e3 cho. Sau \u0111\u00f3 \u1edf d\u00f2ng cu\u1ed1i c\u00f9ng th\u00ec b\u1ed1 m\u1eb9 s\u1ebd h\u01b0\u1edbng d\u1eabn con vi\u1ebft t\u00f3m t\u1eaft c\u00e2u h\u1ecfi. D\u1ef1a v\u00e0o \u0111\u00f3 th\u00ec c\u00e1c con s\u1ebd l\u00e0m b\u00e0i t\u1eadp nhanh ch\u00f3ng h\u01a1n.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_toan_co_loi_van_vao_thuc_te\"><\/span>\u1ee8ng d\u1ee5ng to\u00e1n c\u00f3 l\u1eddi v\u0103n v\u00e0o th\u1ef1c t\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">M\u1ed9t b\u00ed quy\u1ebft \u0111\u1ec3 gi\u00fap c\u00e1c con c\u00f3 th\u1ec3 h\u1ecdc to\u00e1n c\u00f3 l\u1eddi v\u0103n hi\u1ec7u qu\u1ea3 n\u1eefa \u0111\u00f3 ch\u00ednh l\u00e0 c\u00e1c b\u1eadc ph\u1ee5 huynh c\u1ea7n \u1ee9ng d\u1ee5ng m\u00f4n to\u00e1n n\u00e0y v\u00e0o th\u1ef1c t\u1ebf. T\u1ee9c l\u00e0 c\u00e1c b\u1eadc ph\u1ee5 huynh s\u1ebd h\u1ecfi b\u00e9 nh\u1eefng c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn to\u00e1n c\u00f3 l\u1eddi v\u0103n v\u00e0o trong th\u1ef1c ti\u1ec5n cu\u1ed9c s\u1ed1ng.<\/p>\n<p dir=\"ltr\">Ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed1 m\u1eb9 c\u00f3 th\u1ec3 \u0111\u01b0a cho b\u00e9 5 c\u00e1i k\u1eb9o sau \u0111\u00f3 cho b\u00e9 th\u00eam m\u1ed9t s\u1ed1 k\u1eb9o n\u1eefa v\u00e0 h\u1ecfi xem b\u00e9 c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau c\u00e1i k\u1eb9o. L\u01b0u \u00fd l\u00e0 khi b\u1ed1 m\u1eb9 h\u1ecfi con nh\u01b0 v\u1eady th\u00ec c\u00e1c b\u1eadc ph\u1ee5 huynh c\u1ea7n y\u00eau c\u1ea7u b\u00e9 tr\u00ecnh b\u00e0y b\u1eb1ng l\u1eddi n\u00f3i m\u1ed9t c\u00e1ch \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t gi\u1ed1ng nh\u01b0 khi c\u00e1c con vi\u1ebft v\u00e0o gi\u1ea5y thi v\u1eady.<\/p>\n<p dir=\"ltr\">Xem th\u00eam:\u00a0B\u00ed quy\u1ebft gi\u00fap b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 1 trong ph\u1ea1m vi 100 c\u1ef1c \u0111\u01a1n gi\u1ea3n, d\u1ec5 hi\u1ec3u, d\u1ec5 nh\u1edb<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cho_con_lam_bai_tap_thuong_xuyen\"><\/span>Cho con l\u00e0m b\u00e0i t\u1eadp th\u01b0\u1eddng xuy\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Mu\u1ed1n c\u00e1c b\u00e9 c\u00f3 th\u1ec3 h\u1ecdc t\u1ed1t ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n th\u00ec vi\u1ec7c ti\u1ebfp theo m\u00e0 c\u00e1c b\u1eadc ph\u1ee5 huynh c\u1ea7n ph\u1ea3i l\u00e0m \u0111\u00f3 ch\u00ednh l\u00e0 cho con luy\u1ec7n t\u1eadp th\u01b0\u1eddng xuy\u00ean. B\u1ed1 m\u1eb9 cho con l\u00e0m to\u00e1n c\u00f3 l\u1eddi v\u0103n th\u01b0\u1eddng xuy\u00ean th\u00ec c\u00e1c b\u00e9 s\u1ebd bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1ch l\u00e0m, r\u00f5 \u0111\u01b0\u1ee3c c\u00e1ch tr\u00ecnh b\u00e0y.<\/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\/8-toan-lop-1-co-loi-van.jpg\" alt=\"B\u1ed1 m\u1eb9 n\u00ean cho con l\u00e0m b\u00e0i t\u1eadp th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 b\u00e9 quen v\u1edbi d\u1ea1ng to\u00e1n c\u00f3 l\u1eddi v\u0103n (Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">\u0110\u1ed3ng th\u1eddi khi c\u00e1c b\u1eadc ph\u1ee5 huynh cho con l\u00e0m d\u1ea1ng b\u00e0i t\u1eadp n\u00e0y nhi\u1ec1u th\u00ec c\u00e1c b\u00e9 c\u0169ng s\u1ebd quen tay h\u01a1n trong qu\u00e1 tr\u00ecnh l\u00e0m b\u00e0i t\u1eadp. \u0110\u00e2y ch\u00ednh l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ee3i th\u1ebf r\u1ea5t tuy\u1ec7t v\u1eddi gi\u00fap cho c\u00e1c con khi thi c\u00f3 th\u1ec3 l\u00e0m b\u00e0i t\u1eadp t\u1ed1t.<\/p>\n<\/p>\n<p dir=\"ltr\">Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin chia s\u1ebb h\u1eefu \u00edch v\u1ec1 to\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n cho c\u00e1c b\u1eadc ph\u1ee5 huynh tham kh\u1ea3o. Hi v\u1ecdng v\u1edbi nh\u1eefng th\u00f4ng tin chia s\u1ebb n\u00e0y th\u00ec b\u1ed1 m\u1eb9 c\u00f3 th\u1ec3 bi\u1ebft c\u00e1ch d\u1ea1y b\u00e9 l\u00e0m to\u00e1n th\u00e0nh th\u1ea1o v\u00e0 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c nh\u1eefng b\u00e0i t\u1eadp ph\u00f9 h\u1ee3p cho con luy\u1ec7n t\u1eadp.<\/p>\n<p>Ngu\u1ed3n: <a href=\"http:\/\/www.ckconitsha.com\/vn\/\">http:\/\/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>To\u00e1n l\u1edbp 1 gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n l\u00e0 m\u1ed9t d\u1ea1ng to\u00e1n m\u00e0 c\u00e1c b\u00e9 s\u1ebd \u0111\u01b0\u1ee3c h\u1ecdc v\u00e0 l\u00e0m quen. Nh\u01b0ng v\u00ec \u0111\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c kh\u00f3 v\u1edbi tr\u1ebb, n\u00ean b\u1ed1 m\u1eb9 \u0111\u1eebng b\u1ecf qua nh\u1eefng b\u00ed quy\u1ebft m\u00e0 Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef s\u1ebd chia s\u1ebb ngay trong b\u00e0i vi\u1ebft sau&#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-38078","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/38078","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=38078"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/38078\/revisions"}],"predecessor-version":[{"id":38753,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/38078\/revisions\/38753"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=38078"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=38078"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=38078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}