{"id":17687,"date":"2025-07-05T12:10:04","date_gmt":"2025-07-05T05:10:04","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=17687"},"modified":"2025-07-06T07:36:43","modified_gmt":"2025-07-06T00:36:43","slug":"phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/","title":{"rendered":"Ph\u00e9p tr\u1eeb l\u00e0 g\u00ec? T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n nh\u1ea5t trong ph\u00e9p tr\u1eeb"},"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\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Phep_tru_la_gi\" >Ph\u00e9p tr\u1eeb 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\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Tinh_chat_cua_phep_tru\" >T\u00ednh ch\u1ea5t c\u1ee7a ph\u00e9p tr\u1eeb<\/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\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Cac_dang_phep_toan_tru_thuong_gap\" >C\u00e1c d\u1ea1ng ph\u00e9p to\u00e1n tr\u1eeb th\u01b0\u1eddng g\u1eb7p<\/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\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Phep_tru_khong_nho\" >Ph\u00e9p tr\u1eeb kh\u00f4ng nh\u1edb<\/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\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Phep_tru_co_nho\" >Ph\u00e9p tr\u1eeb c\u00f3 nh\u1edb<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Cac_dang_bai_tap_lien_quan_toi_phep_tru_thuong_gap\" >C\u00e1c d\u1ea1ng b\u00e0i t\u1eadp li\u00ean quan t\u1edbi ph\u00e9p tr\u1eeb th\u01b0\u1eddng g\u1eb7p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Dang_1_Thuc_hien_phep_tinh\" >D\u1ea1ng 1: Th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh<\/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\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Dang_2_Giai_toan_co_loi_van\" >D\u1ea1ng 2: 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-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Dang_3_Tim_chu_so_con_thieu_trong_phep_tinh_tru\" >D\u1ea1ng 3: T\u00ecm ch\u1eef s\u1ed1 c\u00f2n thi\u1ebfu trong ph\u00e9p t\u00ednh tr\u1eeb<\/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\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Dang_4_Tim_x\" >D\u1ea1ng 4: T\u00ecm x<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Bi_quyet_giup_be_hoc_ghi_nho_va_ung_dung_kien_thuc_ve_phep_tru_hieu_qua\" >B\u00ed quy\u1ebft gi\u00fap b\u00e9 h\u1ecdc, ghi nh\u1edb v\u00e0 \u1ee9ng d\u1ee5ng ki\u1ebfn th\u1ee9c v\u1ec1 ph\u00e9p tr\u1eeb 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-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Hoc_toan_theo_phuong_phap_tich_cuc_cung_Shining_Home_%E2%80%93_Gia_dinh_Anh_Ngu_Math\" >H\u1ecdc to\u00e1n theo ph\u01b0\u01a1ng ph\u00e1p t\u00edch c\u1ef1c c\u00f9ng 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-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Lam_quen_phep_tru_tu_nhung_dieu_don_gian\" >L\u00e0m quen ph\u00e9p tr\u1eeb t\u1eeb nh\u1eefng \u0111i\u1ec1u \u0111\u01a1n gi\u1ea3n<\/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\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Hoc_phep_tru_trong_ngu_canh_hang_ngay\" >H\u1ecdc ph\u00e9p tr\u1eeb trong ng\u1eef c\u1ea3nh h\u00e0ng ng\u00e0y<\/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\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Su_dung_cong_cu_ho_tro_day_be_hoc_toan_tru\" >S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 d\u1ea1y b\u00e9 h\u1ecdc to\u00e1n tr\u1eeb<\/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\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Thay_doi_hinh_thuc_hoc\" >Thay \u0111\u1ed5i h\u00ecnh th\u1ee9c h\u1ecdc<\/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\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Dung_quen_luyen_tap_thuong_xuyen\" >\u0110\u1eebng qu\u00ean luy\u1ec7n t\u1eadp th\u01b0\u1eddng xuy\u00ean<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Tong_hop_mot_so_bai_tap_phep_tru_de_be_luyen_tap\" >T\u1ed5ng h\u1ee3p m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp ph\u00e9p tr\u1eeb \u0111\u1ec3 b\u00e9 luy\u1ec7n t\u1eadp<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-la-gi-tong-hop-kien-thuc-co-ban-nhat-trong-phep-tru\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>Ph\u00e9p tr\u1eeb l\u00e0 m\u1ed9t ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong to\u00e1n h\u1ecdc m\u00e0 trong h\u1ea7u h\u1ebft c\u00e1c l\u0129nh v\u1ef1c, cho \u0111\u1ebfn \u0111\u1eddi s\u1ed1ng th\u1ef1c t\u1ebf v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. V\u1eady ph\u00e9p tr\u1eeb g\u1ecdi l\u00e0 g\u00ec? L\u00e0m sao gi\u00fap b\u00e9 n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c khi h\u1ecdc ph\u00e9p tr\u1eeb hi\u1ec7u qu\u1ea3? H\u00e3y c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef kh\u00e1m ph\u00e1 r\u00f5 h\u01a1n trong b\u00e0i vi\u1ebft sau.<\/p>\n<p>                                                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img_default\/monkey3.png\" alt=\"\"><\/p>\n<p class=\"title\">H\u00e0ng tri\u1ec7u tr\u1ebb em \u0111\u00e3 ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng ng\u00f4n ng\u1eef c\u1ee7a m\u00ecnh th\u00f4ng qua c\u00e1c \u1ee9ng d\u1ee5ng h\u1ecdc t\u1eadp c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef<\/p>\n<p class=\"description\">\u0110\u0103ng k\u00fd ngay \u0111\u1ec3 \u0111\u01b0\u1ee3c Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed v\u1ec1 s\u1ea3n ph\u1ea9m v\u00e0 l\u1ed9 tr\u00ecnh h\u1ecdc cho con.<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra l\u1ea1i h\u1ecd t\u00ean<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra l\u1ea1i S\u0110T<\/p>\n<p>                                                                                Th\u00e0nh th\u1ea1o 2.000+ t\u1eeb &amp; 6.000 c\u00e2u ti\u1ebfng anh<br \/>\n                                                                                Ph\u00e1t tri\u1ec3n to\u00e0n di\u1ec7n 4 k\u1ef9 n\u0103ng ti\u1ebfng anh<br \/>\n                                                                                Gi\u1ecfi To\u00e1n &#8211; ti\u1ebfng Anh theo ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i<br \/>\n                                                                                Ph\u00e1t tri\u1ec3n EQ &amp; kh\u1ea3 n\u0103ng ti\u1ebfng Vi\u1ec7t<\/p>\n<p>                                                                                *B\u1ea1n ch\u01b0a ch\u1ecdn m\u1ee5c n\u00e0o!<\/p>\n<p>                                                                    \u0110\u0103ng K\u00fd T\u01b0 V\u1ea5n Mi\u1ec5n Ph\u00ed<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phep_tru_la_gi\"><\/span>Ph\u00e9p tr\u1eeb l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Trong to\u00e1n h\u1ecdc, ph\u00e9p tr\u1eeb l\u00e0 m\u1ed9t trong 4 ph\u00e9p to\u00e1n c\u01a1 b\u1ea3n bao g\u1ed3m c\u1ed9ng, tr\u1eeb, nh\u00e2n v\u00e0 chia. Ph\u00e9p tr\u1eeb s\u1ed1 h\u1ecdc s\u1ebd bao g\u1ed3m tr\u1eeb 2 ho\u1eb7c nhi\u1ec1u ph\u1ea7n t\u1eeb \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng, \u0111\u00f3 ch\u00ednh l\u00e0 ph\u1ea7n t\u1eed g\u1ed1c b\u1ecb gi\u1ea3m b\u1edfi ph\u1ea7n t\u1eed b\u1ecb tr\u1eeb.<\/p>\n<p dir=\"ltr\">K\u00fd hi\u1ec7u ph\u00e9p tr\u1eeb l\u00e0 \u201c-\u201c.<\/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\/phep-tru-1.jpg\" alt=\"C\u1ea5u t\u1ea1o c\u1ee7a ph\u00e9p tr\u1eeb. (\u1ea2nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">\u0110\u1ed1i v\u1edbi ph\u00e9p tr\u1eeb th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng cho s\u1ed1 t\u1ef1 nhi\u00ean, ph\u00e2n s\u1ed1, s\u1ed1 th\u1eadp ph\u00e2n, s\u1ed1 nguy\u00ean, s\u1ed1 ph\u1ee9c v\u00e0 s\u1ed1 th\u1ef1c. M\u1ed9t ph\u00e9p t\u00ednh tr\u1eeb s\u1ebd \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o b\u1edfi: a \u2013 b = c.<\/p>\n<p dir=\"ltr\">Trong \u0111\u00f3:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">a l\u00e0 s\u1ed1 b\u1ecb tr\u1eeb<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">b l\u00e0 s\u1ed1 tr\u1eeb<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">c l\u00e0 hi\u1ec7u<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u0110i\u1ec1u ki\u1ec7n \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u00e9p tr\u1eeb ch\u00ednh l\u00e0 s\u1ed1 b\u1ecb tr\u1eeb ph\u1ea3i l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng s\u1ed1 tr\u1eeb. Khi th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh tr\u1eeb 2 s\u1ed1 t\u1ef1 nhi\u00ean, ta ch\u1ec9 c\u1ea7n th\u1ef1c hi\u1ec7n theo th\u1ee9 t\u1ef1 t\u1eeb ph\u1ea3i sang tr\u1ea3i. \u0110\u1ec3 ch\u1eafc ch\u1eafn k\u1ebft qu\u1ea3, ta th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh hi\u1ec7u c\u1ed9ng v\u1edbi s\u1ed1 tr\u1eeb, n\u1ebfu k\u1ebft qu\u1ea3 l\u00e0 s\u1ed1 b\u1ecb tr\u1eeb th\u00ec ph\u00e9p t\u00ednh ch\u00ednh x\u00e1c.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: 15 \u2013 8 = 7. \u0110i\u1ec3m ki\u1ec3m tra k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c kh\u00f4ng th\u00ec ta l\u1ea5y 7 + 8 = 15.<\/em><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_cua_phep_tru\"><\/span>T\u00ednh ch\u1ea5t c\u1ee7a ph\u00e9p tr\u1eeb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Trong to\u00e1n h\u1ecdc, ph\u00e9p t\u00ednh tr\u1eeb c\u00f3 t\u00ednh ch\u1ea5t sau:<\/p>\n<ul>\n<li dir=\"ltr\">Ph\u00e9p tr\u1eeb cho ch\u00ednh s\u1ed1 \u0111\u00f3: a-a = 0<\/li>\n<li dir=\"ltr\">Tr\u1eeb v\u1edbi s\u1ed1 0: a-0 = a<\/li>\n<li dir=\"ltr\">Hi\u1ec7u c\u1ee7a ph\u00e9p tr\u1eeb cho 0 b\u1eb1ng ch\u00ednh s\u1ed1 \u0111\u00f3.<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_dang_phep_toan_tru_thuong_gap\"><\/span>C\u00e1c d\u1ea1ng ph\u00e9p to\u00e1n tr\u1eeb th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">C\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u00e9p c\u1ed9ng, trong ph\u00e9p t\u00ednh tr\u1eeb c\u0169ng s\u1ebd c\u00f3 2 d\u1ea1ng l\u00e0 tr\u1eeb c\u00f3 nh\u1edb v\u00e0 kh\u00f4ng nh\u1edb. C\u1ee5 th\u1ec3:<\/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\/phep-tru-2.jpg\" alt=\"C\u00f3 2 d\u1ea1ng ph\u00e9p tr\u1eeb c\u01a1 b\u1ea3n trong to\u00e1n h\u1ecdc. (\u1ea2nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phep_tru_khong_nho\"><\/span>Ph\u00e9p tr\u1eeb kh\u00f4ng nh\u1edb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ph\u00e9p tr\u1eeb kh\u00f4ng nh\u1edb l\u00e0 ph\u00e9p to\u00e1n c\u01a1 b\u1ea3n, khi ta th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh t\u1eeb ph\u1ea3i sang tr\u00e1i theo t\u1eebng h\u00e0ng v\u1edbi s\u1ed1 b\u1ecb tr\u1eeb l\u1edbn h\u01a1n s\u1ed1 tr\u1eeb.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: 67 \u2013 15 = 52<\/em><\/p>\n<p dir=\"ltr\"><em>Trong \u0111\u00f3<\/em><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\"><em>S\u1ed1 67: \u0110\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ed1 b\u1ecb tr\u1eeb.<\/em><\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\"><em>S\u1ed1 15: \u0110\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ed1 tr\u1eeb.<\/em><\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\"><em>S\u1ed1 52: L\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a ph\u00e9p tr\u1eeb \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7u.\u00a0<\/em><\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phep_tru_co_nho\"><\/span>Ph\u00e9p tr\u1eeb c\u00f3 nh\u1edb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ph\u00e9p tr\u1eeb c\u00f3 nh\u1edb l\u00e0 ph\u00e9p tr\u1eeb n\u00e2ng cao h\u01a1n nh\u01b0ng c\u0169ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo th\u1ee9 t\u1ef1 t\u1eeb ph\u1ea3i sang tr\u00e1i, nh\u01b0ng trong c\u00f9ng m\u1ed9t h\u00e0ng ch\u1eef s\u1ed1 b\u1ecb tr\u1eeb b\u00e9 h\u01a1n s\u1ed1 tr\u1eeb ta s\u1ebd ph\u1ea3i m\u01b0\u1ee3n 1 \u1edf h\u00e0ng ti\u1ebfp theo \u0111\u1ec3 tr\u1eeb (nh\u1edb 1). \u0110\u1ebfn khi khi th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh tr\u1eeb \u1edf h\u00e0ng ti\u1ebfp theo ta c\u1ed9ng 1 \u1edf s\u1ed1 tr\u1eeb v\u00e0o \u0111\u1ec3 t\u00ednh.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: 35 &#8211; 17:<\/em><\/p>\n<p dir=\"ltr\"><em>H\u00e0ng \u0111\u01a1n v\u1ecb: 5 kh\u00f4ng tr\u1eeb \u0111\u01b0\u1ee3c 7, l\u1ea5y 15 tr\u1eeb 7 b\u1eb1ng 8, vi\u1ebft 8 nh\u1edb 1.<\/em><\/p>\n<p dir=\"ltr\"><em>H\u00e0ng ch\u1ee5c: 1 c\u1ed9ng 1 b\u1eb1ng 2, 3 tr\u1eeb 2 b\u1eb1ng 1, vi\u1ebft 1. K\u1ebft qu\u1ea3 l\u00e0 18<\/em><\/p>\n<p dir=\"ltr\">\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_dang_bai_tap_lien_quan_toi_phep_tru_thuong_gap\"><\/span>C\u00e1c d\u1ea1ng b\u00e0i t\u1eadp li\u00ean quan t\u1edbi ph\u00e9p tr\u1eeb th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">V\u1edbi c\u00e1c b\u00e9 m\u1edbi b\u1eaft \u0111\u1ea7u h\u1ecdc v\u1edbi ph\u00e9p t\u00ednh tr\u1eeb, c\u00e1c con s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m quen v\u1edbi nh\u1eefng d\u1ea1ng to\u00e1n c\u01a1 b\u1ea3n sau \u0111\u00e2y:<\/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\/phep-tru-3.jpg\" alt=\"C\u00f3 nhi\u1ec1u d\u1ea1ng b\u00e0i t\u1eadp li\u00ean quan t\u1edbi ph\u00e9p t\u00ednh tr\u1eeb. (\u1ea2nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_1_Thuc_hien_phep_tinh\"><\/span>D\u1ea1ng 1: Th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">V\u1edbi d\u1ea1ng to\u00e1n n\u00e0y c\u00f3 th\u1ec3 l\u00e0 t\u00ednh nh\u1ea9m ho\u1eb7c \u0111\u1eb7t t\u00ednh r\u1ed3i t\u00ednh. Nhi\u1ec7m v\u1ee5 c\u1ee7a b\u00e9 ch\u00ednh l\u00e0 th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh tr\u1eeb theo th\u1ee9 t\u1ef1 t\u1eeb ph\u1ea3i sang tr\u00e1i \u0111\u1ec3 t\u00ecm \u0111\u00e1p \u00e1n ch\u00ednh x\u00e1c.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: T\u00ednh nh\u1ea9m 34 \u2013 12 = 22<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_2_Giai_toan_co_loi_van\"><\/span>D\u1ea1ng 2: Gi\u1ea3i to\u00e1n c\u00f3 l\u1eddi v\u0103n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i: \u0110\u1ea7u ti\u00ean c\u00e1c em s\u1ebd ph\u1ea3i \u0111\u1ecdc v\u00e0 ph\u00e2n t\u00edch k\u1ef9 \u0111\u1ec1 b\u00e0i \u0111\u00e3 cho nh\u1eefng s\u1ed1 li\u1ec7u n\u00e0o, s\u1ed1 l\u01b0\u1ee3ng gi\u1ea3m hay t\u0103ng, y\u00eau c\u1ea7u \u0111\u1ec1 b\u00e0i \u0111\u01b0a ra l\u00e0 g\u00ec. Sau \u0111\u00f3 d\u1ef1a v\u00e0o t\u1eeb kh\u00f3a c\u1ee7a b\u00e0i nh\u01b0 t\u00ecm \u201cc\u00f2n l\u1ea1i\u201d, \u201ct\u1ea5t c\u1ea3\u201d,\u2026 c\u00f9ng y\u00eau c\u1ea7u c\u1ee7a b\u00e0i to\u00e1n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u00e9p t\u00ednh ph\u00f9 h\u1ee3p.<\/p>\n<p dir=\"ltr\">Ti\u1ebfp \u0111\u1ebfn s\u1ebd ph\u1ea3i tr\u00ecnh b\u00e0y l\u1eddi gi\u1ea3i, ph\u00e9p t\u00ednh v\u00e0 vi\u1ebft \u0111\u00e1p s\u1ed1 ch\u00ednh x\u00e1c. Cu\u1ed1i c\u00f9ng s\u1ebd ph\u1ea3i ki\u1ec3m tra l\u1eddi gi\u1ea3i b\u00e0i to\u00e1n v\u00e0 k\u1ebft qu\u1ea3 \u0111\u01b0a ra.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: M\u1eb9 \u0111i ch\u1ee3 v\u1ec1 mua 10 qu\u1ea3 t\u00e1o, m\u1eb9 cho An 3 qu\u1ea3, cho Hoa 2 qu\u1ea3. H\u1ecfi m\u1eb9 c\u00f2n l\u1ea1i m\u1ea5y qu\u1ea3.<\/em><\/p>\n<p dir=\"ltr\"><em>L\u1eddi gi\u1ea3i:<\/em><\/p>\n<p dir=\"ltr\"><em>M\u1eb9 c\u00f2n l\u1ea1i s\u1ed1 qu\u1ea3 t\u00e1o l\u00e0:<\/em><\/p>\n<p dir=\"ltr\"><em>10 \u2013 3 \u2013 2 = 5 (qu\u1ea3)<\/em><\/p>\n<p dir=\"ltr\"><em>\u0110\u00e1p s\u1ed1: 5 qu\u1ea3.<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_3_Tim_chu_so_con_thieu_trong_phep_tinh_tru\"><\/span>D\u1ea1ng 3: T\u00ecm ch\u1eef s\u1ed1 c\u00f2n thi\u1ebfu trong ph\u00e9p t\u00ednh tr\u1eeb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i: C\u00e1c em c\u0169ng s\u1ebd ph\u1ea3i th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh tr\u1eeb t\u1eeb tr\u00e1i sang ph\u1ea3i. N\u1ebfu l\u00e0 ph\u00e9p to\u00e1n tr\u1eeb c\u00f3 3 gi\u00e1 tr\u1ecb, \u0111\u1ec1 b\u00e0i cho bi\u1ebft hai trong 3 gi\u00e1 tr\u1ecb th\u00ec ta s\u1ebd t\u00ednh nh\u1ea9m \u0111\u1ec3 t\u00ecm gi\u00e1 tr\u1ecb c\u00f2n thi\u1ebfu.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: \u0110i\u1ec1u ch\u1eef s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng \u0111\u1ec3 ho\u00e0n th\u00e0nh ph\u00e9p t\u00ednh:<\/em><\/p>\n<p dir=\"ltr\"><em>5\u2026. &#8211;\u00a0 13 = \u2026.2<\/em><\/p>\n<p dir=\"ltr\"><em>Gi\u1ea3i:<\/em><\/p>\n<p dir=\"ltr\"><em>Nh\u1ea9m t\u1eeb h\u00e0ng \u0111\u01a1n v\u1ecb \u0111\u1ebfn h\u00e0ng ch\u1ee5c<\/em><\/p>\n<ul>\n<li dir=\"ltr\"><em>H\u00e0ng \u0111\u01a1n v\u1ecb: S\u1ed1 n\u00e0o tr\u1eeb v\u1edbi 3 b\u1eb1ng 2. Ta c\u00f3: 5 &#8211; 3\u00a0 = 2 n\u00ean s\u1ed1 t\u00ecm \u0111\u01b0\u1ee3c l\u00e0 s\u1ed1 5.<\/em><\/li>\n<li dir=\"ltr\"><em>H\u00e0ng ch\u1ee5c: Nh\u1ea9m 5 \u2013 1 = 4 n\u00ean s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o ch\u1ed7 tr\u1ed1ng c\u00f2n l\u1ea1i l\u00e0 4<\/em><\/li>\n<\/ul>\n<p dir=\"ltr\"><em>V\u1eady \u0111i\u1ec1n c\u00e1c s\u1ed1 v\u00e0o ch\u1ed7 tr\u1ed1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c ph\u00e9p t\u00ednh nh\u01b0 sau:<\/em><\/p>\n<p dir=\"ltr\"><em>55 \u2013 13 = 42<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_4_Tim_x\"><\/span>D\u1ea1ng 4: T\u00ecm x<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i: Ta s\u1ebd ph\u1ea3i x\u00e1c \u0111\u1ecbnh vai tr\u00f2 c\u1ee7a x c\u1ea7n t\u00ecm l\u00e0 s\u1ed1 b\u1ecb tr\u1eeb, s\u1ed1 tr\u1eeb hay l\u00e0 hi\u1ec7u \u0111\u1ec3 \u00e1p d\u1ee5ng quy t\u1eafc t\u00ecm m\u1ed9t s\u1ed1 ch\u01b0a bi\u1ebft l\u00e0 \u201cMu\u1ed1n t\u00ecm s\u1ed1 h\u1ea1ng ch\u01b0a bi\u1ebft ta l\u1ea5y t\u1ed5ng tr\u1eeb \u0111i s\u1ed1 h\u1ea1ng \u0111\u00e3 bi\u1ebft ho\u1eb7c mu\u1ed1n t\u00ecm s\u1ed1 tr\u1eeb ta l\u1ea5y s\u1ed1 b\u1ecb tr\u1eeb tr\u1eeb \u0111i s\u1ed1 tr\u1eeb.\u201d.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: x \u2013 7 = 15<\/em><\/p>\n<p dir=\"ltr\"><em>x = 15 + 7<\/em><\/p>\n<p dir=\"ltr\"><em>x = 22<\/em><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bi_quyet_giup_be_hoc_ghi_nho_va_ung_dung_kien_thuc_ve_phep_tru_hieu_qua\"><\/span>B\u00ed quy\u1ebft gi\u00fap b\u00e9 h\u1ecdc, ghi nh\u1edb v\u00e0 \u1ee9ng d\u1ee5ng ki\u1ebfn th\u1ee9c v\u1ec1 ph\u00e9p tr\u1eeb hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 gi\u00fap qu\u00e1 tr\u00ecnh h\u1ecdc to\u00e1n n\u00f3i chung, ph\u00e9p t\u00ednh tr\u1eeb v\u1edbi b\u00e9 d\u1ec5 d\u00e0ng, hi\u1ec7u qu\u1ea3 h\u01a1n th\u00ec b\u1ed1 m\u1eb9 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng nh\u1eefng b\u00ed quy\u1ebft sau \u0111\u00e2y:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hoc_toan_theo_phuong_phap_tich_cuc_cung_Shining_Home_%E2%80%93_Gia_dinh_Anh_Ngu_Math\"><\/span>H\u1ecdc to\u00e1n theo ph\u01b0\u01a1ng ph\u00e1p t\u00edch c\u1ef1c c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">To\u00e1n h\u1ecdc l\u00e0 m\u1ed9t b\u1ed9 m\u00f4n v\u1edbi nh\u1eefng con s\u1ed1, ph\u00e9p t\u00ednh kh\u00f4 khan n\u00ean \u0111\u1ec3 gi\u00fap qu\u00e1 tr\u00ecnh h\u1ecdc c\u1ee7a b\u00e9 tr\u1edf n\u00ean th\u00fa v\u1ecb h\u01a1n th\u00ec b\u1ed1 m\u1eb9 c\u00f3 th\u1ec3 ch\u1ecdn Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math \u0111\u1ec3 \u0111\u1ed3ng h\u00e0nh v\u1edbi b\u00e9. V\u1edbi ph\u01b0\u01a1ng ph\u00e1p d\u1ea1y h\u1ecdc t\u00edch c\u1ef1c th\u00f4ng qua tr\u00f2 ch\u01a1i, ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u00e1c, video v\u00e0 v\u1eadn \u0111\u1ed9ng th\u00f4 \u0111\u1ea3m b\u1ea3o s\u1ebd gi\u00fap b\u00e9 c\u00f3 s\u1ef1 h\u1ee9ng th\u00fa h\u01a1n v\u1edbi m\u00f4n h\u1ecdc n\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\/phep-tru-4.jpg\" alt=\"H\u1ecdc to\u00e1n th\u00f4ng qua tr\u00f2 ch\u01a1i c\u00f9ng Shining Home - Gia \u0111\u00ecnh Anh Ng\u1eef Math. (\u1ea2nh: Shining Home - Gia \u0111\u00ecnh Anh Ng\u1eef)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">C\u1ee5 th\u1ec3, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math l\u00e0 \u1ee9ng d\u1ee5ng d\u1ea1y h\u1ecdc to\u00e1n ti\u1ebfng Anh v\u1edbi n\u1ed9i dung b\u00e1m s\u00e1t ch\u01b0\u01a1ng tr\u00ecnh GDPT m\u1edbi, d\u1ef1a tr\u00ean vi\u1ec7c ph\u00e1t tri\u1ec3n n\u0103ng l\u1ef1c thay v\u00ec truy\u1ec1n th\u1ee5 ki\u1ebfn th\u1ee9c nh\u01b0 B\u1ed9 GD\u0110T \u0111\u1eb7t ra. Ch\u00ednh v\u00ec v\u1eady, nh\u1eefng gi\u00e2y ph\u00fat h\u1ecdc to\u00e1n c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math s\u1ebd l\u00e0 nh\u1eefng ni\u1ec1m vui m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o b\u00e9 hi\u1ec3u v\u00e0 th\u1ef1c h\u00e0nh ch\u00ednh x\u00e1c.<\/p>\n<p dir=\"ltr\">\u1ede \u0111\u00e2y, tr\u01b0\u1edbc khi b\u00e9 b\u1eaft \u0111\u1ea7u v\u00e0o b\u00e0i h\u1ecdc s\u1ebd \u0111\u01b0\u1ee3c xem video ho\u1ea1t h\u00ecnh h\u01b0\u1edbng d\u1eabn b\u00e0i h\u1ecdc tr\u01b0\u1edbc \u0111\u1ec3 con n\u1eafm r\u00f5 \u0111\u01b0\u1ee3c ki\u1ebfn th\u1ee9c. Sau \u0111\u00f3 b\u00e9 s\u1ebd ti\u1ebfn h\u00e0nh tham gia c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u00e1c tr\u00ean \u1ee9ng d\u1ee5ng \u0111\u1ec3 xem b\u00e9 hi\u1ec3u g\u00ec v\u1ec1 b\u00e0i h\u1ecdc, \u00f4n t\u1eadp v\u00e0 th\u1ef1c h\u00e0nh v\u1edbi ki\u1ebfn th\u1ee9c \u0111\u01b0\u1ee3c h\u1ecdc th\u00f4ng qua nhi\u1ec1u tr\u1ea3i nghi\u1ec7m th\u00fa v\u1ecb kh\u00e1c nhau.<\/p>\n<p dir=\"ltr\">Cu\u1ed1i c\u00f9ng, b\u00e9 s\u1ebd \u0111\u01b0\u1ee3c v\u1eadn \u0111\u1ed9ng th\u00f4 v\u00e0 tinh v\u1edbi s\u00e1ch b\u00e0i t\u1eadp b\u1ed5 tr\u1ee3 m\u00e0 Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef cung c\u1ea5p. \u0110\u1ec3 qua \u0111\u00f3 b\u00e9 s\u1ebd \u0111\u01b0\u1ee3c tham gia nh\u1eefng ho\u1ea1t \u0111\u1ed9ng h\u1ecdc th\u00fa v\u1ecb v\u1eeba ph\u00e1t tri\u1ec3n \u0111\u1ed3ng \u0111\u1ec1u ki\u1ebfn th\u1ee9c, c\u1ea3m x\u00fac v\u00e0 k\u1ef9 n\u0103ng gi\u00fap vi\u1ec7c h\u1ecdc t\u1eadp \u0111\u1ea1t k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n.<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><iframe loading=\"lazy\" title=\"Gi\u1edbi thi\u1ec7u \u1ee9ng d\u1ee5ng Monkey Math\" width=\"1020\" height=\"574\" src=\"https:\/\/www.youtube.com\/embed\/7DsjpvHFrOs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/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=\"Lam_quen_phep_tru_tu_nhung_dieu_don_gian\"><\/span>L\u00e0m quen ph\u00e9p tr\u1eeb t\u1eeb nh\u1eefng \u0111i\u1ec1u \u0111\u01a1n gi\u1ea3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">V\u1edbi c\u00e1c b\u00e9 b\u1eaft \u0111\u1ea7u h\u1ecdc to\u00e1n s\u1ebd th\u01b0\u1eddng g\u1eb7p nhi\u1ec1u kh\u00f3 kh\u0103n, b\u00e9 d\u1ec5 \u201ch\u1ecdc tr\u01b0\u1edbc qu\u00ean sau\u201d c\u0169ng nh\u01b0 con d\u1ec5 ch\u00e1n gh\u00e9t nh\u1eefng vi\u1ec7c c\u00f3 t\u00ednh l\u1eb7p l\u1ea1i cao nh\u01b0 h\u1ecdc ph\u00e9p tr\u1eeb. N\u00ean b\u1ed1 m\u1eb9 c\u1ea7n ph\u1ea3i th\u1ef1c s\u1ef1 ki\u00ean nh\u1eabn trong vi\u1ec7c d\u1ea1y b\u00e9 h\u1ecdc.<\/p>\n<p dir=\"ltr\">Ch\u00ednh v\u00ec v\u1eady, thay v\u00ec \u00e9p bu\u1ed9c tr\u1ebb h\u1ecdc ch\u00fang th\u00ec b\u1ed1 m\u1eb9 n\u00ean t\u1ea1o cho b\u00e9 nh\u1eefng c\u00e1ch ti\u1ebfp c\u1eadn v\u1edbi ki\u1ebfn th\u1ee9c n\u00e0y m\u1ed9t c\u00e1ch nh\u1eb9 nh\u00e0ng, t\u1eeb nh\u1eefng \u0111i\u1ec1u \u0111\u01a1n gi\u1ea3n nh\u01b0 gi\u00fap b\u00e9 th\u1ea5y \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb c\u1ee7a ph\u00e9p to\u00e1n tr\u1eeb, khuy\u1ebfn kh\u00edch con b\u1eb1ng nh\u1eefng ph\u1ea7n th\u01b0\u1edfng, c\u00f9ng con tham gia c\u00e1c tr\u00f2 ch\u01a1i to\u00e1n h\u1ecdc,\u2026 \u0111i\u1ec1u n\u00e0y s\u1ebd gi\u00fap b\u00e9 c\u1ea3m th\u1ea5y s\u1eb5n s\u00e0ng v\u00e0 h\u1ee9ng th\u00fa h\u01a1n khi h\u1ecdc t\u1eadp.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hoc_phep_tru_trong_ngu_canh_hang_ngay\"><\/span>H\u1ecdc ph\u00e9p tr\u1eeb trong ng\u1eef c\u1ea3nh h\u00e0ng ng\u00e0y<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Thay v\u00ec ch\u1ec9 d\u1ea1y b\u00e9 h\u1ecdc ph\u00e9p t\u00ednh tr\u1eeb tr\u00ean s\u00e1ch v\u1edf, b\u1ed1 m\u1eb9 c\u00f3 th\u1ec3 gi\u00fap b\u00e9 h\u1ecdc th\u00f4ng qua c\u00e1c ng\u1eef c\u1ea3nh h\u00e0ng ng\u00e0y nh\u01b0 t\u00ednh to\u00e1n c\u00e1c \u0111\u1ed3 v\u1eadt trong nh\u00e0 nh\u01b0 tr\u1eeb s\u1ed1 k\u1eb9o, b\u00e1t \u0111\u0129a, \u0111\u1ebfm s\u1ed1 \u0111\u1ed3 ch\u01a1i,\u2026Ban \u0111\u1ea7u khi h\u1ecdc n\u00ean th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p tr\u1eeb v\u1edbi s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf tr\u01b0\u1edbc, \u0111\u1ebfn khi b\u00e9 hi\u1ec3u v\u00e0 quen d\u1ea7n m\u1edbi t\u0103ng m\u1ee9c \u0111\u1ed9 t\u00ednh 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\/phep-tru-5.jpg\" alt=\"Gi\u00fap b\u00e9 \u1ee9ng d\u1ee5ng to\u00e1n h\u1ecdc trong ng\u1eef c\u1ea3nh h\u00e0ng ng\u00e0y. (\u1ea2nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Su_dung_cong_cu_ho_tro_day_be_hoc_toan_tru\"><\/span>S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 d\u1ea1y b\u00e9 h\u1ecdc to\u00e1n tr\u1eeb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 gia t\u0103ng t\u00ednh tr\u1ef1c quan, h\u00ecnh dung cho b\u00e9 hi\u1ec3u ph\u00e9p tr\u1eeb b\u1ed1 m\u1eb9 c\u00f3 th\u1ec3 d\u00f9ng nh\u1eefng \u0111\u1ed3 v\u1eadt quen thu\u1ed9c l\u00e0m c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3. V\u00ed d\u1ee5 b\u1ed1 m\u1eb9 c\u00f3 th\u1ec3 \u0111\u01b0a ra 10 vi\u00ean bi, \u0111\u01b0a cho b\u00e9 4 vi\u00ean h\u1ecfi b\u1ed1 m\u1eb9 c\u00f2n bao nhi\u00eau vi\u00ean. Nh\u01b0 v\u1eady b\u00e9 s\u1ebd c\u00f3 th\u1ec3 hi\u1ec3u ph\u00e9p tr\u1eeb m\u1ed9t c\u00e1ch tr\u1ef1c quan h\u01a1n.<\/p>\n<p dir=\"ltr\">Ngo\u00e0i ra, b\u1ed1 m\u1eb9 c\u0169ng n\u00ean khuy\u1ebfn kh\u00edch b\u00e9 t\u01b0 duy, t\u01b0\u1edfng t\u01b0\u1ee3ng khi h\u1ecdc to\u00e1n h\u01a1n. V\u00ed d\u1ee5 v\u1edbi ph\u00e9p tr\u1eeb th\u00ec h\u00e3y cho b\u00e9 t\u01b0\u1edfng t\u01b0\u1ee3ng trong m\u1ed9t khu r\u1eebng c\u00f3 5 con ng\u1ef1a, 2 con ch\u1ea1y ra ngo\u00e0i th\u00ec c\u00f2n l\u1ea1i m\u1ea5y con\u2026.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Thay_doi_hinh_thuc_hoc\"><\/span>Thay \u0111\u1ed5i h\u00ecnh th\u1ee9c h\u1ecdc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Thay v\u00ec ch\u1ec9 h\u1ecdc ph\u00e9p tr\u1eeb tr\u00ean s\u00e1ch v\u1edf, b\u1ed1 m\u1eb9 h\u00e3y \u0111a d\u1ea1ng ph\u01b0\u01a1ng ph\u00e1p d\u1ea1y b\u00e9 h\u1ecdc t\u1eeb tr\u00ean \u1ee9ng d\u1ee5ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math, h\u1ecdc qua tr\u00f2 ch\u01a1i, thi \u0111\u1ed1, th\u1ef1c ti\u1ec5n,\u2026 \u0111\u1ec3 b\u00e9 kh\u00f4ng b\u1ecb nh\u00e0m ch\u00e1n. N\u1ebfu th\u1ef1c h\u00e0nh ph\u00e9p tr\u1eeb b\u1eb1ng que, th\u1ebb,.. m\u00e0 con b\u1eaft \u0111\u1ea7u th\u1ea5y ch\u00e1n th\u00ec b\u1ed1 m\u1eb9 n\u00ean th\u1eed gi\u1edbi h\u1ea1n th\u1eddi gian h\u1ecdc b\u1eb1ng c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u00e1c \u0111\u1ec3 gi\u00fap thay \u0111\u1ed5i kh\u00f4ng kh\u00ed gi\u00fap b\u00e9 h\u1ecdc h\u00e0o h\u1ee9ng h\u01a1n.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dung_quen_luyen_tap_thuong_xuyen\"><\/span>\u0110\u1eebng qu\u00ean luy\u1ec7n t\u1eadp th\u01b0\u1eddng xuy\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">B\u00ean c\u1ea1nh vi\u1ec7c n\u1eafm \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t c\u1ee7a ph\u00e9p tr\u1eeb, b\u1ed1 m\u1eb9 c\u0169ng n\u00ean y\u00eau c\u1ea7u b\u00e9 l\u00e0m b\u00e0i t\u1eadp th\u01b0\u1eddng xuy\u00ean. Ngo\u00e0i b\u00e0i t\u1eadp tr\u00ean tr\u01b0\u1eddng, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 t\u1ef1 s\u01b0u t\u1ea7m nhi\u1ec1u d\u1ea1ng b\u00e0i t\u1eadp li\u00ean quan kh\u00e1c nhau \u0111\u1ec3 b\u00e9 th\u1eed s\u1ee9c v\u00e0 \u0111\u01b0\u1ee3c luy\u1ec7n t\u1eadp \u0111\u1ec1u \u0111\u1eb7n, gi\u00fap con h\u1ecdc hi\u1ec3u v\u00e0 tr\u00e1nh b\u1ecb qu\u00ean ki\u1ebfn th\u1ee9c.<\/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\/phep-tru-6.jpg\" alt=\"Vi\u1ec7c luy\u1ec7n t\u1eadp c\u00f9ng b\u00e9 th\u01b0\u1eddng xuy\u00ean r\u1ea5t quan tr\u1ecdng. (\u1ea2nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tong_hop_mot_so_bai_tap_phep_tru_de_be_luyen_tap\"><\/span>T\u1ed5ng h\u1ee3p m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp ph\u00e9p tr\u1eeb \u0111\u1ec3 b\u00e9 luy\u1ec7n t\u1eadp<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp ph\u00e9p t\u00ednh tr\u1eeb \u0111\u1ec3 b\u00e9 c\u00f3 th\u1ec3 c\u00f9ng luy\u1ec7n t\u1eadp:<\/p>\n<p dir=\"ltr\">B\u00e0i 1: \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh<\/p>\n<p dir=\"ltr\">a. 60 &#8211; 5\u00a0 \u00a0 b. 58 \u2013 9 \u00a0 \u00a0 \u00a0 c. 50 \u2013 4 \u00a0 \u00a0 d. 15 \u2013 8\u00a0 \u00a0 \u00a0 e. 60 \u2013 27<\/p>\n<p dir=\"ltr\">f. 30 \u2013 14\u00a0 g. 40 \u2013 15 \u00a0 \u00a0 g. 90 -43 \u00a0 \u00a0 h. 80 \u2013 22 \u00a0 i. 60 \u2013 17<\/p>\n<p dir=\"ltr\">B\u00e0i 2: Vi\u1ebft s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng:<\/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\/phep-tru-7.jpg\" alt=\"\" width=\"100%\"><\/p>\n<p dir=\"ltr\">B\u00e0i 3: T\u00ednh nh\u1ea9m:<\/p>\n<p dir=\"ltr\">60 \u2013 10 &#8211; 30 = &#8230;.\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 20 \u2013 7 \u2013 3 = &#8230;..<\/p>\n<p dir=\"ltr\">100 \u2013 20 \u2013 40 = &#8230;.. \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 15 &#8211; 5 \u2013 18 = &#8230;..<\/p>\n<p dir=\"ltr\">25 \u2013 5 \u2013 12 = &#8230;..\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 52 \u2013 2 \u2013 17 = &#8230;..<\/p>\n<p dir=\"ltr\">73 \u2013 3 \u2013 44 = &#8230;.. \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 48 \u2013 8 \u2013 26 = &#8230;.<\/p>\n<p dir=\"ltr\">B\u00e0i 4: \u0110i\u1ec1n d\u1ea5u &gt;, &lt;, = v\u00e0o ch\u1ed7 ch\u1ea5m<\/p>\n<p dir=\"ltr\">60 &#8230;&#8230;..\u00a0 93 \u2013 26 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 59 &#8230;&#8230;.. 72 \u2013 19<\/p>\n<p dir=\"ltr\">33 &#8230;&#8230;.. 61 \u2013 28\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 68 &#8230;&#8230;.. 68 \u2013 0<\/p>\n<p dir=\"ltr\">B\u00e0i 5: Hoa c\u00f3 m\u1ed9t s\u1ed1 b\u00f3ng bay. M\u1eb9 Hoa cho Hoa th\u00eam 5 qu\u1ea3 n\u1eefa l\u00e0 Hoa c\u00f3 ch\u1eb5n hai ch\u1ee5c qu\u1ea3. H\u1ecfi l\u00fac \u0111\u1ea7u Hoa c\u00f3 bao nhi\u00eau qu\u1ea3 b\u00f3ng bay?<\/p>\n<p dir=\"ltr\">B\u00e0i 6: T\u1ed5ng s\u1ed1 tu\u1ed5i c\u1ee7a 2 b\u1ed1 con hi\u1ec7n nay l\u00e0 40 tu\u1ed5i. N\u0103m nay con 7 tu\u1ed5i. \u0110\u1ed1 c\u00e1c b\u1ea1n bi\u1ebft hi\u1ec7n nay b\u1ed1 bao nhi\u00eau tu\u1ed5i ?<\/p>\n<p dir=\"ltr\">B\u00e0i 7: G\u00f3i k\u1eb9o c\u00e0 ph\u00ea v\u00e0 g\u00f3i k\u1eb9o d\u1eeba c\u00f3 t\u1ea5t c\u1ea3 l\u00e0 90 c\u00e1i.Ri\u00eang g\u00f3i k\u1eb9o d\u1eeba l\u00e0 43 c\u00e1i. H\u1ecfi:<\/p>\n<p dir=\"ltr\">A. G\u00f3i k\u1eb9o c\u00e0 ph\u00ea c\u00f3 bao nhi\u00eau c\u00e1i?<\/p>\n<p dir=\"ltr\">B. Ph\u1ea3i b\u1edbt \u0111i bao nhi\u00eau c\u00e1i k\u1eb9o \u1edf g\u00f3i k\u1eb9o c\u00e0 ph\u00ea \u0111\u1ec3 s\u1ed1 k\u1eb9o \u1edf 2 g\u00f3i b\u1eb1ng nhau?<\/p>\n<p dir=\"ltr\">B\u00e0i 8: T\u00f3m t\u1eaft b\u1eb1ng s\u01a1 \u0111\u1ed3 b\u00e0i to\u00e1n sau r\u1ed3i gi\u1ea3i:<\/p>\n<p dir=\"ltr\">Ch\u1ecb Lan mua s\u00e1ch h\u1ebft 50 ngh\u00ecn \u0111\u1ed3ng. Lan mua s\u00e1ch h\u1ebft \u00edt h\u01a1n ch\u1ecb Lan 15 ngh\u00ecn \u0111\u1ed3ng.<\/p>\n<p dir=\"ltr\">A. T\u00ednh s\u1ed1 ti\u1ec1n Lan mua s\u00e1ch?<\/p>\n<p dir=\"ltr\">B. C\u1ea3 hai ch\u1ecb em mua s\u00e1ch h\u1ebft t\u1ea5t c\u1ea3 bao nhi\u00eau ti\u1ec1n?<\/p>\n<p dir=\"ltr\">B\u00e0i 9: B\u1ec3 th\u1ee9 nh\u1ea5t ch\u1ee9a \u0111\u01b0\u1ee3c 865l n\u01b0\u1edbc, b\u1ec3 th\u1ee9 hai ch\u1ee9a \u0111\u01b0\u1ee3c \u00edt h\u01a1n b\u1ec3 th\u1ee9 nh\u1ea5t 200l n\u01b0\u1edbc. H\u1ecfi b\u1ec3 th\u1ee9 hai ch\u1ee9a \u0111\u01b0\u1ee3c bao nhi\u00eau l\u00edt n\u01b0\u1edbc?<\/p>\n<p dir=\"ltr\">B\u00e0i 10: T\u00ecm x:<\/p>\n<p dir=\"ltr\">a) x \u2013 4 = 8;\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 b) x \u2013 9 = 18;<\/p>\n<p dir=\"ltr\">c) x \u2013 10 = 25 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 d) x \u2013 8 = 24;<\/p>\n<p dir=\"ltr\">e) x \u2013 7 = 21;\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 g) x \u2013 12 = 36.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/p>\n<p dir=\"ltr\">Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 ph\u00e9p tr\u1eeb. \u0110\u00e2y \u0111\u01b0\u1ee3c xem l\u00e0 ph\u00e9p t\u00ednh n\u1ec1n t\u1ea3ng \u0111\u1ec3 h\u1ecdc ki\u1ebfn th\u1ee9c to\u00e1n cao h\u01a1n, c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng trong th\u1ef1c ti\u1ec5n. N\u00ean b\u1ed1 m\u1eb9 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng nh\u1eefng chia s\u1ebb tr\u00ean c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef \u0111\u1ec3 gi\u00fap vi\u1ec7c h\u1ecdc c\u1ee7a b\u00e9 hi\u1ec7u qu\u1ea3 h\u01a1n nh\u00e9.<\/p>\n<p>                                    references<\/p>\n<p>Subtract \u2013 Definition with Examples<\/p>\n<p>https:\/\/www.splashlearn.com\/math-vocabulary\/subtraction\/subtract<\/p>\n<p>Subtraction<\/p>\n<p>https:\/\/www.cuemath.com\/numbers\/subtraction\/<\/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>Ph\u00e9p tr\u1eeb l\u00e0 m\u1ed9t ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong to\u00e1n h\u1ecdc m\u00e0 trong h\u1ea7u h\u1ebft c\u00e1c l\u0129nh v\u1ef1c, cho \u0111\u1ebfn \u0111\u1eddi s\u1ed1ng th\u1ef1c t\u1ebf v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. V\u1eady ph\u00e9p tr\u1eeb g\u1ecdi l\u00e0 g\u00ec? L\u00e0m sao gi\u00fap b\u00e9 n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c khi h\u1ecdc ph\u00e9p tr\u1eeb hi\u1ec7u qu\u1ea3? H\u00e3y c\u00f9ng&#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-17687","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/17687","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=17687"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/17687\/revisions"}],"predecessor-version":[{"id":23748,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/17687\/revisions\/23748"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=17687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=17687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=17687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}