{"id":14868,"date":"2025-06-10T14:49:59","date_gmt":"2025-06-10T07:49:59","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=14868"},"modified":"2025-07-05T15:25:05","modified_gmt":"2025-07-05T08:25:05","slug":"tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap\/","title":{"rendered":"T\u1ed5ng h\u1ee3p c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp to\u00e1n l\u1edbp 5 H\u1ed6N S\u1ed0 th\u01b0\u1eddng g\u1eb7p"},"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\/tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap\/#Hon_hop_la_gi\" >H\u1ed7n h\u1ee3p 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\/tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap\/#Cach_doc_va_viet_cac_so_hon_hop_trong_toan_hoc\" >C\u00e1ch \u0111\u1ecdc v\u00e0 vi\u1ebft c\u00e1c s\u1ed1 h\u1ed7n h\u1ee3p trong to\u00e1n h\u1ecdc<\/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\/tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap\/#Huong_dan_ve_cach_chuyen_doi_trong_hon_hop_va_phan_so\" >H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i trong h\u1ed7n h\u1ee3p v\u00e0 ph\u00e2n s\u1ed1<\/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\/tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap\/#Chuyen_doi_so_hon_hop_thanh_phan_so\" >Chuy\u1ec3n \u0111\u1ed5i s\u1ed1 h\u1ed7n h\u1ee3p th\u00e0nh ph\u00e2n s\u1ed1<\/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\/tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap\/#Chuyen_doi_phan_so_thanh_cac_so\" >Chuy\u1ec3n \u0111\u1ed5i ph\u00e2n s\u1ed1 th\u00e0nh c\u00e1c s\u1ed1<\/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\/tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap\/#Cac_tinh_toan_can_nho_trong_hon_hop\" >C\u00e1c t\u00ednh to\u00e1n c\u1ea7n nh\u1edb trong h\u1ed7n h\u1ee3p<\/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\/tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap\/#Cach_so_sanh_hai_so\" >C\u00e1ch so s\u00e1nh hai s\u1ed1<\/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\/tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap\/#Ngoai_ra_tru_hai_con_so_tro_len\" >Ngo\u00e0i ra, tr\u1eeb hai con s\u1ed1 tr\u1edf l\u00ean<\/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\/tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap\/#Phep_nhan_phan_chia_so\" >Ph\u00e9p nh\u00e2n, ph\u00e2n chia s\u1ed1<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap\/#Bi_quyet_hoc_toan_hoc_cua_lop_5_mot_cach_hieu_qua\" >B\u00ed quy\u1ebft h\u1ecdc to\u00e1n h\u1ecdc c\u1ee7a l\u1edbp 5 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3<\/a><\/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\/tong-hop-cac-dang-bai-tap-toan-lop-5-hon-so-thuong-gap\/#Mot_so_hinh_thuc_cua_cac_bai_tap_tu_dong_trong_so_luong_toan_hoc_o_lop_5\" >M\u1ed9t s\u1ed1 h\u00ecnh th\u1ee9c c\u1ee7a c\u00e1c b\u00e0i t\u1eadp t\u1ef1 \u0111\u1ed9ng trong s\u1ed1 l\u01b0\u1ee3ng to\u00e1n h\u1ecdc \u1edf l\u1edbp 5<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">Sau khi ho\u00e0n th\u00e0nh ch\u01b0\u01a1ng ph\u00e2n s\u1ed1, h\u1ecdc sinh s\u1ebd c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o to\u00e1n h\u1ecdc l\u1edbp 5. \u0110\u1ed1i v\u1edbi tr\u1ebb s\u01a1 sinh, s\u1ed1 l\u01b0\u1ee3ng s\u1ed1 trong giai \u0111o\u1ea1n \u0111\u1ea7u v\u1eabn c\u00f2n kh\u00e1 m\u1edbi, v\u00ec v\u1eady gi\u00fap tr\u1ebb em quen v\u1edbi c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n trong c\u00e1c t\u00ednh to\u00e1n s\u1ed1 \u0111\u01b0\u1ee3c \u0111\u00e1nh s\u1ed1 s\u1ebd gi\u00fap b\u00e0i h\u1ecdc tr\u1edf n\u00ean th\u00fa v\u1ecb v\u00e0 s\u1ed1ng \u0111\u1ed9ng h\u01a1n. Tham gia Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef \u0111\u1ec3 kh\u00e1m ph\u00e1 \u0111\u1ecbnh ngh\u0129a h\u1ed7n h\u1ee3p l\u00e0 g\u00ec v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 gi\u1ea3i quy\u1ebft to\u00e1n h\u1ecdc h\u1ed7n h\u1ee3p th\u00f4ng qua b\u00e0i vi\u1ebft sau.<\/p>\n<p>                        Xem t\u1ea5t c\u1ea3<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hon_hop_la_gi\"><\/span>H\u1ed7n h\u1ee3p l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">H\u1ed7n h\u1ee3p l\u00e0 m\u1ed9t bi\u1ec3u di\u1ec5n ng\u1eafn g\u1ecdn v\u1ec1 t\u1ed5ng s\u1ed1 t\u1ef1 nhi\u00ean v\u1edbi m\u1ed9t ph\u1ea7n c\u00f3 gi\u00e1 tr\u1ecb nh\u1ecf h\u01a1n 1. H\u1ed7n h\u1ee3p c\u00f3 hai th\u00e0nh ph\u1ea7n, m\u1ed9t s\u1ed1 nguy\u00ean v\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a ph\u00e2n s\u1ed1.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: ph\u1ea7n s\u1ed1 nguy\u00ean c\u1ee7a <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/w1.png\" alt=\"\" width=\"21\" height=\"21\"> l\u00e0 3 v\u00e0 ph\u1ea7n th\u1eadp ph\u00e2n l\u00e0 15<\/p>\n<p dir=\"ltr\">Ghi ch\u00fa: <\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ph\u00e2n s\u1ed1 c\u1ee7a h\u1ed7n h\u1ee3p lu\u00f4n d\u01b0\u1edbi 1 (v\u00ec n\u1ebfu ph\u1ea7n l\u1edbn h\u01a1n 1, ph\u1ea7n nguy\u00ean t\u0103ng). <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">H\u1ed7n h\u1ee3p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng t\u1ed5ng s\u1ed1 nguy\u00ean + ph\u1ea7n c\u1ee7a ph\u00e2n s\u1ed1.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">V\u00ed d\u1ee5: <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/2022-06-09_18-25-40.png\" alt=\"\" width=\"103\" height=\"38\"><\/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-5-hon-so.jpg\" alt=\"T\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c s\u1ed1 h\u1ed7n h\u1ee3p. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cach_doc_va_viet_cac_so_hon_hop_trong_toan_hoc\"><\/span>C\u00e1ch \u0111\u1ecdc v\u00e0 vi\u1ebft c\u00e1c s\u1ed1 h\u1ed7n h\u1ee3p trong to\u00e1n h\u1ecdc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi \u0111\u1ecdc h\u1ed7n h\u1ee3p, tr\u01b0\u1edbc ti\u00ean h\u00e3y \u0111\u1ecdc ph\u1ea7n s\u1ed1 nguy\u00ean c\u1ed9ng v\u1edbi t\u1eeb &#8220;v\u00e0&#8221;, sau \u0111\u00f3 \u0111\u1ecdc ph\u00e2n s\u1ed1. Ho\u1eb7c c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ecdc t\u1eeb &#8220;v\u00e0&#8221; nh\u01b0ng l\u00e0m gi\u00e1n \u0111o\u1ea1n n\u00f3 b\u1eb1ng d\u1ea5u ph\u1ea9y.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/t2.png\" alt=\"\" width=\"17\" height=\"27\"> \u0110\u1ecdc l\u00e0: Hai v\u00e0 m\u1ed9t ph\u1ea7n ba (ho\u1eb7c hai, m\u1ed9t, m\u1ed9t ph\u1ea7n ba)<\/em><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\"><em>Khi vi\u1ebft h\u1ed7n h\u1ee3p, ch\u00fang t\u00f4i vi\u1ebft s\u1ed1 nguy\u00ean tr\u01b0\u1edbc v\u00e0 sau \u0111\u00f3 l\u00e0 ph\u00e2n s\u1ed1.<\/em><\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: s\u1ed1 &#8220;ba, hai ph\u1ea7n b\u1ea3y&#8221; s\u1ebd \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng: <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/a1.png\" alt=\"\" width=\"18\" height=\"28\"><\/em><\/p>\n<p dir=\"ltr\">C\u00f3 v\u1ebb nh\u01b0 vi\u1ec7c \u0111\u1ecdc h\u1ed7n h\u1ee3p n\u00e0y kh\u00e1 kh\u00f3 kh\u0103n, nh\u01b0ng khi kh\u1ec9 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u00e1ch \u0111\u1ecdc, vi\u1ec7c h\u1ecdc to\u00e1n l\u1edbp 5 s\u1ebd tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n<p dir=\"ltr\">\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Huong_dan_ve_cach_chuyen_doi_trong_hon_hop_va_phan_so\"><\/span>H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i trong h\u1ed7n h\u1ee3p v\u00e0 ph\u00e2n s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 l\u00e0m cho n\u00f3 d\u1ec5 d\u00e0ng th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n c\u1ea5p 5 -ch\u1eef s\u1ed1, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i t\u1eeb h\u1ed7n h\u1ee3p sang ph\u00e2n s\u1ed1 l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. V\u1edbi c\u00e1c t\u00ednh to\u00e1n kh\u00e1c nhau, s\u1ebd c\u00f3 s\u1ef1 chuy\u1ec3n \u0111\u1ed5i kh\u00e1c nhau. H\u00e3y t\u00ecm hi\u1ec3u ngay b\u00e2y gi\u1edd!<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Chuyen_doi_so_hon_hop_thanh_phan_so\"><\/span>Chuy\u1ec3n \u0111\u1ed5i s\u1ed1 h\u1ed7n h\u1ee3p th\u00e0nh ph\u00e2n s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng c\u00f4ng th\u1ee9c sau:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Digital = (S\u1ed1 nguy\u00ean Ph\u1ea7n X M\u1eabu s\u1ed1) + S\u1ed1 ph\u00e2n s\u1ed1 s\u1ed1<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1ed1 m\u1eabu = s\u1ed1 m\u1eabu trong m\u1ed9t ph\u1ea7n c\u1ee7a ph\u00e2n s\u1ed1<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">V\u00ed d\u1ee5: <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/2022-06-09_18-27-55.png\" alt=\"\" width=\"137\" height=\"44\"><\/p>\n<p dir=\"ltr\">\u00c1p d\u1ee5ng chuy\u1ec3n \u0111\u1ed5i n\u00e0y \u0111\u1ec3 so s\u00e1nh c\u00e1c s\u1ed1 v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c s\u1ed1 trong ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n l\u1edbp 5.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Chuyen_doi_phan_so_thanh_cac_so\"><\/span>Chuy\u1ec3n \u0111\u1ed5i ph\u00e2n s\u1ed1 th\u00e0nh c\u00e1c s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u00e1ch \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i nh\u01b0 sau:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 1: Chia s\u1ed1 cho bi\u1ec3u m\u1eabu<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 2: Gi\u1eef s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a ph\u1ea7n ban \u0111\u1ea7u<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 3: Deathly = l\u00e0 ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a b\u1ed9 ph\u1eadn b\u1edfi m\u1eabu s\u1ed1 trong b\u01b0\u1edbc 1<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 4: Ph\u1ea7n s\u1ed1 nguy\u00ean = th\u01b0\u01a1ng t\u00edch c\u1ee7a t\u1eed s\u1ed1 \u0111\u01b0\u1ee3c chia cho m\u1eabu s\u1ed1<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: chuy\u1ec3n \u0111\u1ed5i ph\u00e2n s\u1ed1 s\u1ed1 23\/3 th\u00e0nh h\u1ed7n h\u1ee3p<\/em><\/p>\n<p dir=\"ltr\"><em>Ch\u00fang t\u00f4i c\u00f3: 25: 3 = 8 (d\u01b0 1) \u2192 V\u00ec v\u1eady <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/a2.png\" alt=\"\" width=\"16\" height=\"21\"><\/em><\/p>\n<p dir=\"ltr\">Nh\u1edd c\u00e1c chuy\u1ec3n \u0111\u1ed5i n\u00e0y, sinh vi\u00ean s\u1ebd d\u1ec5 d\u00e0ng chuy\u1ec3n \u0111\u1ed5i t\u1eeb ph\u00e2n s\u1ed1 sang c\u00e1c s\u1ed1 h\u1ed7n h\u1ee3p nhi\u1ec1u h\u01a1n. \u0110\u1ed3ng th\u1eddi gi\u00fap ph\u1ee5 huynh trong qu\u00e1 tr\u00ecnh d\u1ea1y to\u00e1n l\u1edbp 5 cho tr\u1ebb em hi\u1ec7u qu\u1ea3 v\u00e0 nhanh h\u01a1n.<\/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-5-hon-so.jpg\" alt=\"Thay \u0111\u1ed5i s\u1ed1 th\u1eadp ph\u00e2n th\u00e0nh s\u1ed1. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_tinh_toan_can_nho_trong_hon_hop\"><\/span>C\u00e1c t\u00ednh to\u00e1n c\u1ea7n nh\u1edb trong h\u1ed7n h\u1ee3p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau \u0111\u00e2y l\u00e0 c\u00e1c t\u00ednh to\u00e1n c\u01a1 b\u1ea3n m\u00e0 h\u1ecdc sinh c\u1ea7n ph\u1ea3i n\u1eafm b\u1eaft khi ti\u1ebfp c\u1eadn ch\u1ee7 \u0111\u1ec1 c\u1ee7a to\u00e1n h\u1ecdc l\u1edbp 5.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cach_so_sanh_hai_so\"><\/span>C\u00e1ch so s\u00e1nh hai s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Nh\u1eefng con s\u1ed1 h\u1ed7n h\u1ee3p c\u00f3 s\u1ed1 nguy\u00ean l\u1edbn h\u01a1n<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u1ea5t k\u1ef3 s\u1ed1 h\u1ed7n h\u1ee3p n\u00e0o nh\u1ecf h\u01a1n, nh\u1ecf h\u01a1n<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">N\u1ebfu hai ph\u1ea7n b\u1eb1ng nhau, ch\u00fang t\u00f4i so s\u00e1nh ph\u00e2n s\u1ed1, s\u1ed1 c\u00f3 ph\u00e2n s\u1ed1 l\u1edbn h\u01a1n l\u00e0 l\u1edbn h\u01a1n, trong khi s\u1ed1 l\u01b0\u1ee3ng s\u1ed1 c\u00f3 ph\u00e2n s\u1ed1 nh\u1ecf h\u01a1n nh\u1ecf h\u01a1n.<\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/2022-06-09_18-29-37.png\" alt=\"\" width=\"400\" height=\"515\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ngoai_ra_tru_hai_con_so_tro_len\"><\/span>Ngo\u00e0i ra, tr\u1eeb hai con s\u1ed1 tr\u1edf l\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ednh to\u00e1n \u0111\u1ea7u ti\u00ean s\u1ebd l\u00e0 b\u1ed5 sung v\u00e0 kh\u1ea5u tr\u1eeb hai s\u1ed1. V\u00ec v\u1eady, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i to\u00e1n h\u1ecdc l\u1edbp 5 th\u00e0nh 2 ph\u00e2n s\u1ed1 v\u00e0 c\u00e1ch th\u00eam 2 ph\u00e2n s\u1ed1 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i. T\u1ea5t c\u1ea3 s\u1ebd \u0111\u01b0\u1ee3c tr\u1ea3 l\u1eddi b\u1edfi kh\u1ec9 trong th\u1eddi gian ng\u1eafn.<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p 1: Chuy\u1ec3n \u0111\u1ed5i s\u1ed1 h\u1ed7n h\u1ee3p th\u00e0nh ph\u00e2n s\u1ed1 v\u00e0 th\u00eam ph\u00e2n s\u1ed1 sau khi chuy\u1ec3n \u0111\u1ed5i<\/p>\n<p dir=\"ltr\">\u0110\u1ec3 th\u00eam (ho\u1eb7c tr\u1eeb hai s\u1ed1, ch\u00fang t\u00f4i chuy\u1ec3n \u0111\u1ed5i hai s\u1ed1 h\u1ed7n h\u1ee3p th\u00e0nh ph\u00e2n s\u1ed1. Sau \u0111\u00f3 th\u00eam (ho\u1eb7c tr\u1eeb) hai ph\u00e2n s\u1ed1 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i t\u1eeb hai s\u1ed1 ban \u0111\u1ea7u.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/2022-06-09_18-30-57.png\" alt=\"\" width=\"214\" height=\"208\"><\/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-5-hon-so.jpg\" alt=\"C\u1ed9ng v\u1edbi h\u1ed7n h\u1ee3p. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p 2: T\u00e1ch s\u1ed1 s\u1ed1 c\u00e1c th\u00e0nh ph\u1ea7n s\u1ed1 nguy\u00ean v\u00e0 s\u1ed1<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/2022-06-09_18-31-47.png\" alt=\"\" width=\"261\" height=\"356\"><\/p>\n<p dir=\"ltr\">Xem th\u00eam: M\u1ed9t s\u1ed1 m\u1eb9o h\u1ecdc to\u00e1n l\u1edbp 5: Gi\u00fap tr\u1ebb em h\u1ea5p th\u1ee5 nhanh h\u01a1n v\u00e0 nh\u1edb l\u00e2u h\u01a1n<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phep_nhan_phan_chia_so\"><\/span>Ph\u00e9p nh\u00e2n, ph\u00e2n chia s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong b\u00e0i h\u1ecdc to\u00e1n l\u1edbp 5 ti\u1ebfp theo, h\u1ecdc c\u00e1ch nh\u00e2n v\u00e0 chia hai s\u1ed1 th\u00f4ng qua b\u00e0i vi\u1ebft v\u00ed d\u1ee5 sau. \u0110\u1ec3 nh\u00e2n (ho\u1eb7c chia) hai s\u1ed1, ch\u00fang t\u00f4i chuy\u1ec3n \u0111\u1ed5i hai s\u1ed1 h\u1ed7n h\u1ee3p th\u00e0nh ph\u00e2n s\u1ed1, sau \u0111\u00f3 nh\u00e2n (ho\u1eb7c chia) hai ph\u00e2n s\u1ed1 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/2022-06-09_18-32-32.png\" alt=\"\" width=\"259\" height=\"105\"><\/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-5-hon-so.jpg\" alt=\"Ph\u00e2n chia s\u1ed1. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bi_quyet_hoc_toan_hoc_cua_lop_5_mot_cach_hieu_qua\"><\/span>B\u00ed quy\u1ebft h\u1ecdc to\u00e1n h\u1ecdc c\u1ee7a l\u1edbp 5 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 gi\u00fap tr\u1ebb h\u1ecdc ki\u1ebfn \u200b\u200bth\u1ee9c to\u00e1n h\u1ecdc l\u1edbp 5 \u0111\u1ec3 n\u00f3i ch\u00fang, s\u1ed1 l\u01b0\u1ee3ng c\u1ee5 th\u1ec3, ph\u1ee5 huynh c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1c m\u1eb9o sau:<\/p>\n<ul>\n<li>H\u00e3y ch\u1eafc ch\u1eafn r\u1eb1ng ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng: \u0110\u1ec3 gi\u1ea3i c\u00e1c b\u00e0i t\u1eadp to\u00e1n l\u1edbp 5 ch\u00ednh x\u00e1c, n\u00f3 \u0111\u00f2i h\u1ecfi tr\u1ebb ph\u1ea3i l\u00e0m ch\u1ee7 l\u00fd thuy\u1ebft t\u1eeb c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m, vi\u1ebft, c\u00e1c h\u00ecnh th\u1ee9c to\u00e1n h\u1ecdc c\u01a1 b\u1ea3n. Cha m\u1eb9 n\u00ean ki\u1ec3m tra l\u00fd thuy\u1ebft c\u1ee7a tr\u1ebb em th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 bi\u1ebft em b\u00e9 y\u1ebfu \u0111u\u1ed1i c\u00f3 ph\u1ea7n h\u1ee3p nh\u1ea5t k\u1ecbp th\u1eddi.<\/li>\n<li>Th\u1ef1c h\u00e0nh, th\u1ef1c h\u00e0nh th\u01b0\u1eddng xuy\u00ean: H\u1ecdc v\u1edbi th\u1ef1c ti\u1ec5n l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft. B\u1edfi v\u00ec n\u1ebfu kh\u00f4ng th\u1ef1c s\u1ef1 h\u00e0n, th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i t\u1eadp th\u01b0\u1eddng xuy\u00ean, em b\u00e9 c\u1ee7a b\u1ea1n d\u1ec5 d\u00e0ng qu\u00ean \u0111i ki\u1ebfn \u200b\u200bth\u1ee9c v\u00e0 d\u1ec5 h\u1ecdc v\u1eb9t.<\/li>\n<li>X\u00e2y d\u1ef1ng m\u1ed9t n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc cho tr\u1ebb em v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9: \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng cho t\u01b0 duy ti\u1ebfng Anh cho tr\u1ebb em v\u1edbi tr\u01b0\u1eddng m\u1ea7m non v\u00e0 tr\u01b0\u1eddng ti\u1ec3u h\u1ecdc \u0111\u01b0\u1ee3c h\u00e0ng tri\u1ec7u ph\u1ee5 huynh tin t\u01b0\u1edfng. N\u1ed9i dung b\u00e0i h\u1ecdc v\u1ec1 To\u00e1n Kh\u1ec9 k\u1ebft th\u00fac ch\u01b0\u01a1ng tr\u00ecnh GDPT m\u1edbi nh\u1ea5t, \u0111\u01b0\u1ee3c chia th\u00e0nh h\u01a1n 400 b\u00e0i h\u1ecdc th\u00f4ng qua video, h\u00ecnh \u1ea3nh v\u1edbi 4 c\u1ea5p \u0111\u1ed9 h\u1ecdc t\u1eadp c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao \u0111\u1ec3 ph\u1ee5 huynh c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ch\u1ecdn c\u1ea5p \u0111\u1ed9 ph\u00f9 h\u1ee3p cho tr\u1ebb. C\u00f9ng v\u1edbi h\u01a1n 10.000 ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u00e1c s\u1ebd gi\u00fap tr\u1ebb th\u1ef1c h\u00e0nh v\u00e0 \u0111\u00e0o t\u1ea1o \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u01b0 duy to\u00e1n h\u1ecdc hi\u1ec7u qu\u1ea3 h\u01a1n. T\u1ea3i xu\u1ed1ng \u1ee9ng d\u1ee5ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math ngay b\u00e2y gi\u1edd \u0111\u1ec3 qu\u1ea3ng b\u00e1 ni\u1ec1m \u0111am m\u00ea to\u00e1n h\u1ecdc c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<p>T\u1ea3i xu\u1ed1ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math cho \u0111i\u1ec7n tho\u1ea1i Android<\/p>\n<p>T\u1ea3i xu\u1ed1ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math cho \u0111i\u1ec7n tho\u1ea1i iOS<\/p>\n<p>Xem th\u00eam video v\u1ec1 to\u00e1n h\u1ecdc kh\u1ec9 sau \u0111\u00e2y \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 cha m\u1eb9:<\/p>\n<p style=\"text-align: center\"><a href=\"https:\/\/www.youtube.com\/watch?v=7DSJPVHFROS\" target=\"_blank\" rel=\"noopener\">https:\/\/www.youtube.com\/watch?v=7DSJPVHFROS<\/a><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_hinh_thuc_cua_cac_bai_tap_tu_dong_trong_so_luong_toan_hoc_o_lop_5\"><\/span>M\u1ed9t s\u1ed1 h\u00ecnh th\u1ee9c c\u1ee7a c\u00e1c b\u00e0i t\u1eadp t\u1ef1 \u0111\u1ed9ng trong s\u1ed1 l\u01b0\u1ee3ng to\u00e1n h\u1ecdc \u1edf l\u1edbp 5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc ch\u1ee7 \u0111\u1ec1 1: Chuy\u1ec3n \u0111\u1ed5i c\u00e1c s\u1ed1 sau th\u00e0nh ph\u00e2n s\u1ed1<\/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\/image588.jpg\" alt=\"B\u00e0i t\u1eadp chuy\u1ec3n \u0111\u1ed5i h\u1ed7n h\u1ee3p th\u00e0nh ph\u00e2n s\u1ed1. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc ch\u1ee7 \u0111\u1ec1 2: Chuy\u1ec3n \u0111\u1ed5i c\u00e1c s\u1ed1 sau th\u00e0nh ph\u00e2n s\u1ed1 v\u00e0 sau \u0111\u00f3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n (theo m\u1eabu)<\/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\/image54.jpg\" alt=\"H\u1ed7n h\u1ee3p c\u1ed9ng v\u1edbi c\u00e1c b\u00e0i t\u1eadp. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc ch\u1ee7 \u0111\u1ec1 3: \u0110i\u1ec1n v\u00e0o s\u1ed1 th\u00edch h\u1ee3p trong h\u1ed9p:<\/p>\n<p dir=\"ltr\">M\u1ed9t c\u1eeda h\u00e0ng c\u00f3 7552 kg g\u1ea1o. V\u00e0o bu\u1ed5i s\u00e1ng, c\u1eeda h\u00e0ng \u0111\u00e3 b\u00e1n 1232kg g\u1ea1o. V\u00e0o bu\u1ed5i chi\u1ec1u, c\u1eeda h\u00e0ng b\u00e1n g\u1ea5p 2 l\u1ea7n s\u1ed1 l\u01b0\u1ee3ng g\u1ea1o. V\u00ec v\u1eady, sau c\u1ea3 hai phi\u00ean, c\u00f2n bao nhi\u00eau kg g\u1ea1o? <\/p>\n<p>Hy v\u1ecdng, th\u00f4ng qua ki\u1ebfn \u200b\u200bth\u1ee9c to\u00e1n h\u1ecdc l\u1edbp 5 \u1edf tr\u00ean, tr\u1ebb em v\u00e0 ph\u1ee5 huynh bi\u1ebft c\u00e1ch d\u1ea1y to\u00e1n cho tr\u1ebb em. Kh\u00e1m ph\u00e1 s\u1ef1 h\u1ed7n lo\u1ea1n c\u1ee7a b\u1ea1n h\u1ea1nh ph\u00fac v\u00e0 s\u1ed1ng \u0111\u1ed9ng h\u01a1n!<\/p>\n<table style=\"border-collapse: collapse;margin-left: auto;margin-right: auto;width: 100%;background-color: #fbeeb8\" border=\"1\">\n<tr>\n<td style=\"width: 98.5932%;text-align: center\">Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef &#8211; gi\u00fap tr\u1ebb nh\u1edb h\u01a1n 10.000 t\u1eeb v\u1ef1ng ti\u1ebfng Anh m\u1ed7i ng\u00e0y. Ph\u1ee5 huynh t\u00ecm hi\u1ec3u v\u00e0 nhanh ch\u00f3ng \u0111\u0103ng k\u00fd g\u00f3i tr\u01b0\u1eddng \u0111\u1ec3 con c\u00e1i h\u1ecd c\u00f3 th\u1ec3 truy c\u1eadp ki\u1ebfn \u200b\u200bth\u1ee9c c\u00e0ng s\u1edbm c\u00e0ng t\u1ed1t.  <img decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/timhieungay.png\" width=\"185\"><\/td>\n<\/tr>\n<\/table>\n<p>Ngu\u1ed3n: <a href=\"https:\/\/www.ckconitsha.com\/vn\/\">https:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sau khi ho\u00e0n th\u00e0nh ch\u01b0\u01a1ng ph\u00e2n s\u1ed1, h\u1ecdc sinh s\u1ebd c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o to\u00e1n h\u1ecdc l\u1edbp 5. \u0110\u1ed1i v\u1edbi tr\u1ebb s\u01a1 sinh, s\u1ed1 l\u01b0\u1ee3ng s\u1ed1 trong giai \u0111o\u1ea1n \u0111\u1ea7u v\u1eabn c\u00f2n kh\u00e1 m\u1edbi, v\u00ec v\u1eady gi\u00fap tr\u1ebb em quen v\u1edbi c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n trong c\u00e1c t\u00ednh to\u00e1n s\u1ed1 \u0111\u01b0\u1ee3c \u0111\u00e1nh s\u1ed1 s\u1ebd&#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-14868","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14868","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=14868"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14868\/revisions"}],"predecessor-version":[{"id":18055,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14868\/revisions\/18055"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=14868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=14868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=14868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}