{"id":7816,"date":"2025-04-04T01:39:01","date_gmt":"2025-04-03T18:39:01","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=7816"},"modified":"2025-06-28T23:40:03","modified_gmt":"2025-06-28T16:40:03","slug":"cach-giai-bai-tap-rut-gon-phan-so-toan-lop-4-cuc-don-gian","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/cach-giai-bai-tap-rut-gon-phan-so-toan-lop-4-cuc-don-gian\/","title":{"rendered":"C\u00e1ch gi\u1ea3i b\u00e0i t\u1eadp r\u00fat g\u1ecdn ph\u00e2n s\u1ed1 to\u00e1n l\u1edbp 4 c\u1ef1c \u0111\u01a1n gi\u1ea3n"},"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-bai-tap-rut-gon-phan-so-toan-lop-4-cuc-don-gian\/#Phan_so_la_gi\" >Ph\u00e2n s\u1ed1 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-bai-tap-rut-gon-phan-so-toan-lop-4-cuc-don-gian\/#Cach_tim_phan_so_toi_gian\" >C\u00e1ch t\u00ecm ph\u00e2n s\u1ed1 t\u1ed1i gi\u1ea3n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-bai-tap-rut-gon-phan-so-toan-lop-4-cuc-don-gian\/#Phuong_phap_1_Su_dung_yeu_to_chung_lon_nhat\" >Ph\u01b0\u01a1ng ph\u00e1p 1: S\u1eed d\u1ee5ng y\u1ebfu t\u1ed1 chung l\u1edbn nh\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-bai-tap-rut-gon-phan-so-toan-lop-4-cuc-don-gian\/#Phuong_phap_2_Loi_khuyen_de_rut_ngan_cac_phan_so_cap_4_theo_phan_chia_lien_tiep_theo_mot_so_luong_nho\" >Ph\u01b0\u01a1ng ph\u00e1p 2: L\u1eddi khuy\u00ean \u0111\u1ec3 r\u00fat ng\u1eafn c\u00e1c ph\u00e2n s\u1ed1 c\u1ea5p 4 theo ph\u00e2n chia li\u00ean ti\u1ebfp theo m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf<\/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-bai-tap-rut-gon-phan-so-toan-lop-4-cuc-don-gian\/#Phuong_phap_3_Cach_rut_ngan_cac_phan_so_lop_4_bang_cach_liet_ke_cac_yeu_to\" >Ph\u01b0\u01a1ng ph\u00e1p 3: C\u00e1ch r\u00fat ng\u1eafn c\u00e1c ph\u00e2n s\u1ed1 l\u1edbp 4 b\u1eb1ng c\u00e1ch li\u1ec7t k\u00ea c\u00e1c y\u1ebfu t\u1ed1<\/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-bai-tap-rut-gon-phan-so-toan-lop-4-cuc-don-gian\/#Phuong_phap_4_Cach_rut_ngan_so_toi_thieu_bang_cach_su_dung_so_do_thuc_vat\" >Ph\u01b0\u01a1ng ph\u00e1p 4: C\u00e1ch r\u00fat ng\u1eafn s\u1ed1 t\u1ed1i thi\u1ec3u b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 th\u1ef1c v\u1eadt<\/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-bai-tap-rut-gon-phan-so-toan-lop-4-cuc-don-gian\/#Phuong_phap_5_Su_dung_cong_cu_thieu_phan_so_truc_tuyen\" >Ph\u01b0\u01a1ng ph\u00e1p 5: S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 thi\u1ebfu ph\u00e2n s\u1ed1 tr\u1ef1c tuy\u1ebfn<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-bai-tap-rut-gon-phan-so-toan-lop-4-cuc-don-gian\/#Luu_y_khi_giai_cac_phan_so_toi_gian\" >L\u01b0u \u00fd khi gi\u1ea3i c\u00e1c ph\u00e2n s\u1ed1 t\u1ed1i gi\u1ea3n.<\/a><\/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-bai-tap-rut-gon-phan-so-toan-lop-4-cuc-don-gian\/#Tap_the_duc_rut_ngan_lop_4_de_hoc_sinh_tu_dao_tao\" >T\u1eadp th\u1ec3 d\u1ee5c r\u00fat ng\u1eafn l\u1edbp 4 \u0111\u1ec3 h\u1ecdc sinh t\u1ef1 \u0111\u00e0o t\u1ea1o<\/a><\/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\/cach-giai-bai-tap-rut-gon-phan-so-toan-lop-4-cuc-don-gian\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>R\u00fat ng\u1eafn c\u00e1c ph\u00e2n s\u1ed1, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u00e2n s\u1ed1 t\u1ed1i gi\u1ea3n, l\u00e0 m\u1ed9t lo\u1ea1i b\u00e0i t\u1eadp ph\u1ed5 bi\u1ebfn trong ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n l\u1edbp 4, c\u0169ng nh\u01b0 c\u00e1c l\u1edbp cao h\u01a1n. V\u00ec v\u1eady, \u0111\u1ec3 hi\u1ec3u ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i gi\u1ea3n t\u1ed1i gi\u1ea3n v\u00e0 ch\u00ednh x\u00e1c, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef s\u1ebd chia s\u1ebb c\u00e1c c\u00e1ch sau.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phan_so_la_gi\"><\/span>Ph\u00e2n s\u1ed1 l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\"><em>C\u00e1c ph\u00e2n s\u1ed1 r\u00fat ng\u1eafn, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u00e2n s\u1ed1 t\u1ed1i thi\u1ec3u, \u0111\u00e2y l\u00e0 m\u1ed9t ph\u00e2n s\u1ed1 c\u00f3 t\u1eed vong v\u00e0 s\u1ed1 kh\u00f4ng th\u1ec3 chia cho b\u1ea5t k\u1ef3 s\u1ed1 n\u00e0o kh\u00e1c ngo\u1ea1i tr\u1eeb 1 (ho\u1eb7c -1 n\u1ebfu s\u1ed1 \u00e2m). \u0110\u1ec3 d\u1ec5 hi\u1ec3u, ph\u00e2n s\u1ed1 A\/B l\u00e0 t\u1ed1i thi\u1ec3u n\u1ebfu c\u1ea3 A v\u00e0 B l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 c\u00f9ng nhau ho\u1eb7c ch\u00fang c\u00f3 \u01b0\u1edbc t\u00ednh chung l\u1edbn nh\u1ea5t l\u00e0 1.<\/em><\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: 1\/5; 15\/29; 11\/12; &#8230; s\u1ebd l\u00e0 ph\u00e2n s\u1ed1 t\u1ed1i thi\u1ec3u.<\/em><\/p>\n<p dir=\"ltr\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cach_tim_phan_so_toi_gian\"><\/span>C\u00e1ch t\u00ecm ph\u00e2n s\u1ed1 t\u1ed1i gi\u1ea3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Theo c\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 r\u00fat ng\u1eafn ph\u00e2n s\u1ed1, ch\u00fang t\u00f4i s\u1ebd ti\u1ebfn h\u00e0nh chia c\u1ea3 c\u00e1i ch\u1ebft v\u00e0 m\u1eabu cho c\u00f9ng m\u1ed9t s\u1ed1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u1ed1 kh\u00e1c v\u1edbi 0 v\u00e0 1.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phuong_phap_1_Su_dung_yeu_to_chung_lon_nhat\"><\/span>Ph\u01b0\u01a1ng ph\u00e1p 1: S\u1eed d\u1ee5ng y\u1ebfu t\u1ed1 chung l\u1edbn nh\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">B\u01b0\u1edbc 1: Li\u1ec7t k\u00ea c\u00e1c y\u1ebfu t\u1ed1 c\u1ee7a c\u1ea3 c\u00e1i ch\u1ebft v\u00e0 m\u1eabu t\u1eeb nh\u1ecf \u0111\u1ebfn l\u1edbn, bao g\u1ed3m m\u1ed9t ho\u1eb7c ch\u00ednh n\u00f3. Y\u1ebfu t\u1ed1 \u1edf \u0111\u00e2y l\u00e0 s\u1ed1 m\u00e0 b\u1ea1n nh\u00e2n ch\u00fang l\u1ea1i v\u1edbi nhau s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c s\u1ed1 kh\u00e1c nhau, v\u00ed d\u1ee5 2 v\u00e0 5 l\u00e0 hai y\u1ebfu t\u1ed1 c\u1ee7a 10, b\u1edfi v\u00ec ch\u00fang ta c\u00f3 th\u1ec3 nh\u00e2n ch\u00fang l\u1ea1i v\u1edbi nhau \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 l\u00e0 10.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: li\u1ec7t k\u00ea y\u1ebfu t\u1ed1 chung c\u1ee7a s\u1ed1 24\/32:<\/em><\/p>\n<p dir=\"ltr\"><em>24: 1, 2, 3, 4, 6, 8, 12, 24.<\/em><\/p>\n<p dir=\"ltr\"><em>32: 1, 2, 4, 8, 16, 32.<\/em><\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 2: T\u00ecm y\u1ebfu t\u1ed1 chung l\u1edbn nh\u1ea5t (GCF) c\u1ee7a c\u00e1i ch\u1ebft v\u00e0 m\u1eabu. GCF l\u00e0 con s\u1ed1 l\u1edbn nh\u1ea5t m\u00e0 c\u00e1c con s\u1ed1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia. Sau khi t\u00ecm th\u1ea5y v\u00e0 li\u1ec7t k\u00ea c\u00e1c y\u1ebfu t\u1ed1 trong B\u01b0\u1edbc 1, sau \u0111\u00f3 b\u1ea1n ph\u1ea3i t\u00ecm GCF c\u1ee7a hai s\u1ed1 \u0111\u00f3.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5:<\/em><\/p>\n<p dir=\"ltr\"><em>24: 1, 2, 3, 4, 6, 8, 12, 24.<\/em><\/p>\n<p dir=\"ltr\"><em>32: 1, 2, 4, 8, 16, 32.<\/em><\/p>\n<p dir=\"ltr\"><em>T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, GCF c\u1ee7a 24 v\u00e0 32 l\u00e0 8, v\u00ec 8 l\u00e0 s\u1ed1 l\u1edbn nh\u1ea5t m\u00e0 c\u1ea3 24 v\u00e0 32 \u0111\u1ec1u chia h\u1ebft.<\/em><\/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\/rut-gon-phan-so-2.jpg\" alt=\"\" width=\"100%\"><\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 3: Ti\u1ebfn h\u00e0nh ph\u00e2n chia v\u00e0 t\u1eed vong v\u00e0 m\u1eabu cho GCF. Khi b\u1ea1n \u0111\u00e3 t\u00ecm th\u1ea5y GCF \u1edf B\u01b0\u1edbc 2, ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh chia c\u1ea3 c\u00e1i ch\u1ebft v\u00e0 s\u1ed1 cho s\u1ed1 \u0111\u00f3 \u0111\u1ec3 \u0111\u01b0a ch\u00fang \u0111\u1ebfn ph\u1ea7n t\u1ed1i gi\u1ea3n.<\/p>\n<p dir=\"ltr\"><em>Ch\u00fang t\u00f4i c\u00f3:<\/em><\/p>\n<p dir=\"ltr\"><em>24\/8 = 3<\/em><\/p>\n<p dir=\"ltr\"><em>32\/8 = 4<\/em><\/p>\n<p dir=\"ltr\"><em>T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, ph\u1ea7n r\u00fat ng\u1eafn l\u00e0 3\/4.<\/em><\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 4: Ki\u1ec3m tra k\u1ebft qu\u1ea3. \u0110\u1ec3 ch\u1eafc ch\u1eafn h\u01a1n v\u1ec1 ph\u1ea7n r\u00fat ng\u1eafn, m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m b\u1eb1ng c\u00e1ch nh\u00e2n v\u00e0 m\u1eabu m\u1edbi \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn cho GCF, n\u1ebfu k\u1ebft qu\u1ea3 ph\u00e2n s\u1ed1 ban \u0111\u1ea7u \u0111\u01b0\u1ee3c \u0111\u01b0a ra, n\u00f3 l\u00e0 ch\u00ednh x\u00e1c.<\/p>\n<p dir=\"ltr\"><em>C\u1ee5 th\u1ec3:<\/em><\/p>\n<p dir=\"ltr\"><em>3 * 8 = 24<\/em><\/p>\n<p dir=\"ltr\"><em>4 * 8 = 32<\/em><\/p>\n<p dir=\"ltr\"><em>T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, k\u1ebft qu\u1ea3 l\u00e0 ph\u00e2n s\u1ed1 ban \u0111\u1ea7u 24\/32.<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phuong_phap_2_Loi_khuyen_de_rut_ngan_cac_phan_so_cap_4_theo_phan_chia_lien_tiep_theo_mot_so_luong_nho\"><\/span>Ph\u01b0\u01a1ng ph\u00e1p 2: L\u1eddi khuy\u00ean \u0111\u1ec3 r\u00fat ng\u1eafn c\u00e1c ph\u00e2n s\u1ed1 c\u1ea5p 4 theo ph\u00e2n chia li\u00ean ti\u1ebfp theo m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">B\u01b0\u1edbc 1: Ch\u1ecdn m\u1ed9t s\u1ed1 nh\u1ecf. C\u1ee5 th\u1ec3, theo c\u00e1ch r\u00fat ng\u1eafn, ph\u1ea7n n\u00e0y s\u1ebd ch\u1ecdn m\u1ed9t ch\u1eef s\u1ed1 nh\u1ecf nh\u01b0 2, 3, 4 &#8230; \u0111\u1ec3 b\u1eaft \u0111\u1ea7u. Nh\u00ecn xem ph\u1ea7n t\u1eed v\u00e0 s\u1ed1 c\u00f3 \u0111\u01b0\u1ee3c chia \u00edt nh\u1ea5t m\u1ed9t l\u1ea7n cho s\u1ed1 m\u00e0 em b\u00e9 \u0111\u00e3 ch\u1ecdn hay kh\u00f4ng.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: s\u1ed1 24\/32, s\u1ed1 2 l\u00e0 ph\u00f9 h\u1ee3p nh\u1ea5t v\u00ec c\u1ea3 24 v\u00e0 32 \u0111\u1ec1u l\u00e0 s\u1ed1, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia cho 2.<\/em><\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 2: Chia c\u1ea3 c\u00e1i ch\u1ebft v\u00e0 s\u1ed1 cho s\u1ed1 nh\u1ecf nh\u1ea5t \u0111\u01b0\u1ee3c ch\u1ecdn. Sau khi ch\u00fang t\u00f4i t\u00ecm th\u1ea5y s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf nh\u1ea5t \u0111\u1ec3 ph\u00e2n chia trong B\u01b0\u1edbc 1, ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh ph\u00e2n chia c\u1ea3 c\u00e1i ch\u1ebft v\u00e0 m\u1eabu cho s\u1ed1 \u0111\u00f3.<\/p>\n<p dir=\"ltr\"><em>C\u1ee5 th\u1ec3:<\/em><\/p>\n<p dir=\"ltr\"><em>24\/2 = 12<\/em><\/p>\n<p dir=\"ltr\"><em>32\/2 = 16<\/em><\/p>\n<p dir=\"ltr\"><em>T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, ch\u00fang t\u00f4i nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c ph\u00e2n s\u1ed1 m\u1edbi 12\/16.<\/em><\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 3: L\u1eb7p l\u1ea1i qu\u00e1 tr\u00ecnh n\u00e0y. N\u1ebfu c\u1ea3 c\u00e1i ch\u1ebft v\u00e0 m\u1eabu v\u1eabn \u0111\u01b0\u1ee3c chia cho s\u1ed1 nh\u1ecf \u0111\u00e3 ch\u1ecdn, ch\u00fang t\u00f4i s\u1ebd ti\u1ebfp t\u1ee5c l\u1eb7p l\u1ea1i B\u01b0\u1edbc 2.<\/p>\n<p dir=\"ltr\"><em>12\/2 = 6<\/em><\/p>\n<p dir=\"ltr\"><em>16\/2 = 8<\/em><\/p>\n<p dir=\"ltr\"><em>Ph\u1ea7n m\u1edbi l\u00e0 6\/8.<\/em><\/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\/rut-gon-phan-so-3.jpg\" alt=\"\" width=\"100%\"><\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 4: Ti\u1ebfp t\u1ee5c chia c\u1ea3 c\u00e1i ch\u1ebft v\u00e0 m\u1eabu cho s\u1ed1 \u0111\u00f3 cho \u0111\u1ebfn khi kh\u00f4ng th\u1ec3 chia. \u1ede \u0111\u00e2y n\u1ebfu c\u1ea3 c\u00e1i ch\u1ebft v\u00e0 s\u1ed1 m\u1edbi v\u1eabn c\u00f2n, ch\u00fang t\u00f4i ti\u1ebfp t\u1ee5c chia cho 2 cho \u0111\u1ebfn khi ch\u00fang t\u00f4i kh\u00f4ng th\u1ec3 chia n\u1eefa.<\/p>\n<p dir=\"ltr\"><em>C\u1ee5 th\u1ec3:<\/em><\/p>\n<p dir=\"ltr\"><em>6\/2 = 3<\/em><\/p>\n<p dir=\"ltr\"><em>8\/2 = 4<\/em><\/p>\n<p dir=\"ltr\"><em>Ch\u00fang t\u00f4i c\u00f3 m\u1ed9t ph\u1ea7n m\u1edbi l\u00e0 3\/4.<\/em><\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 5: \u0110\u1ea3m b\u1ea3o ph\u00e2n s\u1ed1 m\u1edbi kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn n\u1eefa. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ph\u00e2n s\u1ed1 m\u1edbi ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia cho 1 v\u00e0 n\u00f3 l\u00e0 ph\u1ea7n t\u1ed1i gi\u1ea3n. V\u00ed d\u1ee5, trong c\u00e1c ph\u00e2n s\u1ed1, ch\u00fang t\u00f4i kh\u00f4ng th\u1ec3 chia cho b\u1ea5t k\u1ef3 s\u1ed1 n\u00e0o kh\u00e1c ngo\u1ea1i tr\u1eeb n\u00f3 v\u00e0 1, ph\u00e2n s\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn.<\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 6: Ki\u1ec3m tra k\u1ebft qu\u1ea3. Ch\u00fang t\u00f4i s\u1ebd nh\u00e2n v\u1edbi 2\/2 ba l\u1ea7n \u0111\u1ec3 xem k\u1ebft qu\u1ea3 l\u00e0 ph\u1ea7n ban \u0111\u1ea7u l\u00e0 24\/32.<\/p>\n<p dir=\"ltr\"><em>C\u1ee5 th\u1ec3:<\/em><\/p>\n<p dir=\"ltr\"><em>3\/4 * 2\/2 = 6\/8<\/em><\/p>\n<p dir=\"ltr\"><em>6\/8 * 2\/2 = 12\/16<\/em><\/p>\n<p dir=\"ltr\"><em>12\/16 * 2\/2 = 24\/32.<\/em><\/p>\n<p dir=\"ltr\">L\u01b0u \u00fd: Tr\u1ebb em \u0111\u00e3 chia 24\/32 cho 3 l\u1ea7n 2 ngh\u0129a l\u00e0 2 x 2 x 2 t\u01b0\u01a1ng \u1ee9ng v\u1edbi s\u1ef1 ph\u00e2n chia c\u1ee7a n\u00f3 cho 8, \u0111\u00e2y l\u00e0 GCF c\u1ee7a c\u1ea3 hai c\u00e1i ch\u1ebft v\u00e0 m\u1eabu. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n c\u1ed3ng k\u1ec1nh h\u01a1n v\u1edbi c\u00e1ch 1, nh\u01b0ng s\u1ebd gi\u00fap tr\u1ebb hi\u1ec3u b\u1ea3n ch\u1ea5t khi th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phuong_phap_3_Cach_rut_ngan_cac_phan_so_lop_4_bang_cach_liet_ke_cac_yeu_to\"><\/span>Ph\u01b0\u01a1ng ph\u00e1p 3: C\u00e1ch r\u00fat ng\u1eafn c\u00e1c ph\u00e2n s\u1ed1 l\u1edbp 4 b\u1eb1ng c\u00e1ch li\u1ec7t k\u00ea c\u00e1c y\u1ebfu t\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">B\u01b0\u1edbc 1: Vi\u1ebft ra ph\u1ea7n \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn. Trong ph\u1ea7n n\u00e0y, h\u00e3y \u0111\u1ec3 m\u1ed9t kh\u00f4ng gian b\u00ean ph\u1ea3i vi\u1ebft ra ph\u1ea7n th\u1eeba.<\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 2: Ti\u1ebfn h\u00e0nh li\u1ec7t k\u00ea s\u1ed1 l\u01b0\u1ee3ng v\u00e0 m\u1eabu. B\u1eaft \u0111\u1ea7u t\u1eeb 1 v\u00e0 y\u1ebfu t\u1ed1 ti\u1ebfp theo s\u1ebd \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea th\u00e0nh c\u00e1c c\u1eb7p.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: Cho s\u1ed1 24\/60<\/em><\/p>\n<p dir=\"ltr\"><em>Th\u1eeba 24: 1, 2, 3, 4, 6, 8, 12, 24<\/em><\/p>\n<p dir=\"ltr\"><em>Th\u1eeba 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60.<\/em><\/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\/rut-gon-phan-so-4.jpg\" alt=\"\" width=\"100%\"><\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 3: Ch\u1ecdn v\u00e0 chia c\u1ea3 c\u00e1i ch\u1ebft v\u00e0 m\u1eabu cho y\u1ebfu t\u1ed1 chung l\u1edbn nh\u1ea5t. Trong danh s\u00e1ch c\u00e1c y\u1ebfu t\u1ed1 \u0111\u01b0\u1ee3c t\u00ecm ki\u1ebfm \u1edf B\u01b0\u1edbc 2, tr\u1ebb em ti\u1ebfn h\u00e0nh ch\u1ecdn s\u1ed1 l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t xu\u1ea5t hi\u1ec7n trong c\u00e1c y\u1ebfu t\u1ed1 c\u1ee7a c\u1ea3 c\u00e1i ch\u1ebft v\u00e0 m\u1eabu s\u1ed1 cho s\u1ed1 \u0111\u00f3.<\/p>\n<p dir=\"ltr\"><em>\u0110\u1ed1i v\u1edbi v\u00ed d\u1ee5 tr\u00ean, ch\u00fang ta th\u1ea5y c\u1ea3 c\u00e1i ch\u1ebft v\u00e0 m\u1eabu v\u1edbi GCF l\u00e0 12. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, ch\u00fang ta s\u1ebd chia 24 cho 12 v\u00e0 60 chia 12. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, k\u1ebft qu\u1ea3 l\u00e0 2\/5 l\u00e0 m\u1ed9t ph\u1ea7n r\u00fat ng\u1eafn.<\/em><\/p>\n<p dir=\"ltr\"><em><\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phuong_phap_4_Cach_rut_ngan_so_toi_thieu_bang_cach_su_dung_so_do_thuc_vat\"><\/span>Ph\u01b0\u01a1ng ph\u00e1p 4: C\u00e1ch r\u00fat ng\u1eafn s\u1ed1 t\u1ed1i thi\u1ec3u b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 th\u1ef1c v\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">B\u01b0\u1edbc 1: T\u00ecm s\u1ed1 l\u01b0\u1ee3ng plenic c\u1ee7a s\u1ed1 v\u00e0 m\u1eabu s\u1ed1 c\u1ee7a ph\u00e2n s\u1ed1. S\u1ed1 ch\u00ednh l\u00e0 s\u1ed1 kh\u00f4ng \u0111\u01b0\u1ee3c chia cho b\u1ea5t k\u1ef3 lo\u1ea1i n\u00e0o kh\u00e1c ngo\u00e0i 1 v\u00e0 b\u1ea3n th\u00e2n n\u00f3 gi\u1ed1ng nh\u01b0 2, 3, 5, 7, 11.<\/p>\n<p dir=\"ltr\"><em>C\u0169ng trong v\u00ed d\u1ee5 24\/60.<\/em><\/p>\n<p dir=\"ltr\"><em>\u0110\u1ea7u ti\u00ean, ch\u00fang t\u00f4i b\u1eaft \u0111\u1ea7u v\u1edbi t\u1eed s\u1ed1. T\u1eeb 24 chia th\u00e0nh 2 nh\u00e1nh l\u00e0 2 v\u00e0 12 (2 x 12 = 24). B\u1edfi v\u00ec 2 l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1, chi nh\u00e1nh \u0111\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh. Ti\u1ebfp t\u1ee5c trong nh\u00e1nh 12 \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1ch th\u00e0nh 2 s\u1ed1 kh\u00e1c l\u00e0 2 v\u00e0 6. Ti\u1ebfp t\u1ee5c 2 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1, do \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, b\u00e2y gi\u1edd ti\u1ebfp t\u1ee5c t\u00ecm th\u1ea5y s\u1ed1 nguy\u00ean t\u1ed1 l\u00e0 6 l\u00e0 2 v\u00e0 3. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, ch\u00fang ta c\u00f3 2, 2, 2 v\u00e0 3 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 t\u00ecm ki\u1ebfm 24.<\/em><\/p>\n<p dir=\"ltr\"><em>Chuy\u1ec3n sang m\u1eabu s\u1ed1 60. \u0110\u1ea7u ti\u00ean, ch\u00fang t\u00f4i ph\u00e2n nh\u00e1nh c\u00e2y th\u00e0nh 2 v\u00e0 30. Chi nh\u00e1nh 2 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, chuy\u1ec3n sang 20 s\u1ebd l\u00e0 2 v\u00e0 15. Ti\u1ebfp t\u1ee5c trong nh\u00e1nh 15 Ch\u00fang t\u00f4i chia th\u00e0nh c\u00e1c nh\u00e1nh 3 v\u00e0 5, c\u1ea3 hai \u0111\u1ec1u l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1. V\u00ec v\u1eady, k\u1ebft qu\u1ea3 ch\u00fang ta nh\u1eadn \u0111\u01b0\u1ee3c 2, 2, 3 v\u00e0 5 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 l\u00e0 60.<\/em><\/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\/rut-gon-phan-so-5.jpg\" alt=\"\" width=\"100%\"><\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 2: Vi\u1ebft k\u1ebft qu\u1ea3 c\u1ee7a ph\u1ea7n t\u1eed c\u1ee7a ph\u1ea7n t\u1eed v\u00e0 m\u1eabu. Ch\u00fang t\u00f4i s\u1ebd li\u1ec7t k\u00ea c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh c\u1ee7a c\u1ea3 t\u1eed vong v\u00e0 m\u1eabu, vi\u1ebft ch\u00fang d\u01b0\u1edbi d\u1ea1ng nh\u00e2n \u0111\u1ec3 ki\u1ec3m tra k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/p>\n<p dir=\"ltr\"><em>V\u1edbi 24, ch\u00fang ta c\u00f3 2 x 2 x 2 x 3 = 24.<\/em><\/p>\n<p dir=\"ltr\"><em>V\u1edbi 60, ch\u00fang ta c\u00f3 2 x 2 x 3 x 5 = 60<\/em><\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 3: G\u1ea1ch y\u1ebfu t\u1ed1 chung. B\u1ea5t k\u1ef3 s\u1ed1 n\u00e0o xu\u1ea5t hi\u1ec7n trong c\u1ea3 hai c\u00e1i ch\u1ebft v\u00e0 m\u1eabu b\u1ea1n s\u1ebd g\u1ea1ch. Trong v\u00ed d\u1ee5, ch\u00fang ta th\u1ea5y r\u1eb1ng c\u00f3 hai s\u1ed1 2 v\u00e0 m\u1ed9t 3 l\u00e0 s\u1ed1 chung. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, ch\u00fang t\u00f4i c\u00f3 2 v\u00e0 5 ho\u1eb7c 2\/5 l\u00e0 ph\u1ea7n r\u00fat ng\u1eafn l\u00e0 24\/60.<\/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\/rut-gon-phan-so-6.jpg\" alt=\"\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phuong_phap_5_Su_dung_cong_cu_thieu_phan_so_truc_tuyen\"><\/span>Ph\u01b0\u01a1ng ph\u00e1p 5: S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 thi\u1ebfu ph\u00e2n s\u1ed1 tr\u1ef1c tuy\u1ebfn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Hi\u1ec7n t\u1ea1i, c\u00f3 nhi\u1ec1u c\u00f4ng c\u1ee5 \u0111\u1ec3 h\u1ed7 tr\u1ee3 s\u1ed1 l\u01b0\u1ee3ng b\u00e0i t\u1eadp t\u1ed1i gi\u1ea3n, nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c tr\u00ean Internet \u0111\u1ec3 tham kh\u1ea3o. Mi\u1ec5n l\u00e0 b\u1ea1n nh\u1eadp s\u1ed1 v\u00e0 m\u1eabu s\u1ed1 t\u01b0\u01a1ng \u1ee9ng, h\u1ec7 th\u1ed1ng s\u1ebd gi\u00fap t\u00ednh to\u00e1n nhanh nh\u1ea5t. V\u00ed d\u1ee5: m\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 t\u1ea1i <em>Tienichho.com\/rut-gon-phan-o, Giainannhanh.com\/rut-gon-phan-oo\/&#8230;<\/em><\/p>\n<table style=\"border-collapse: collapse;width: 100%;background-color: #f8cac6\" border=\"1\">\n<tr>\n<td style=\"width: 98.5189%\">\n<p style=\"text-align: center\">X\u00e2y d\u1ef1ng c\u00e1c n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc, ph\u00e1t tri\u1ec3n n\u0103ng l\u1ef1c to\u00e1n h\u1ecdc v\u00e0 ph\u00e1t tri\u1ec3n ng\u00f4n ng\u1eef cho tr\u1ebb em c\u00f3 to\u00e1n h\u1ecdc kh\u1ec9 ch\u1ec9 v\u1edbi 2k\/ng\u00e0y.<\/p>\n<p style=\"text-align: center\">\n<p><img loading=\"lazy\" decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia.monkeyuni.net\/upload\/web\/img\/button_dang-ky-ngay-1.png\" alt=\"\" width=\"185\" height=\"25\"><\/p>\n<\/td>\n<\/tr>\n<\/table>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Luu_y_khi_giai_cac_phan_so_toi_gian\"><\/span>L\u01b0u \u00fd khi gi\u1ea3i c\u00e1c ph\u00e2n s\u1ed1 t\u1ed1i gi\u1ea3n.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn ph\u00e2n s\u1ed1 \u1edf l\u1edbp 4 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1c ghi ch\u00fa sau:<\/p>\n<ul>\n<li>Hi\u1ec3u c\u00e1c ph\u00e2n s\u1ed1: Ph\u00e2n s\u1ed1 l\u00e0 c\u00e1c ph\u1ea7n c\u1ee7a m\u1ed9t s\u1ed1 \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c ph\u1ea7n b\u1eb1ng nhau. N\u00f3 bao g\u1ed3m hai th\u00e0nh ph\u1ea7n ch\u00ednh: t\u1eed s\u1ed1 (ph\u1ea7n chia) v\u00e0 m\u1eabu s\u1ed1 (s\u1ed1 chia \u0111\u1ec1u).<\/li>\n<li>R\u00fat ng\u1eafn c\u00e1c ph\u00e2n s\u1ed1: \u0110\u1ec3 r\u00fat ng\u1eafn c\u00e1c ph\u00e2n s\u1ed1, h\u00e3y t\u00ecm mong mu\u1ed1n chung l\u1edbn nh\u1ea5t c\u1ee7a t\u1eed s\u1ed1 v\u00e0 m\u1eabu, sau \u0111\u00f3 chia c\u1ea3 hai cho mong mu\u1ed1n chung \u0111\u00f3 \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c ph\u00e2n s\u1ed1. <\/li>\n<li>Th\u00eam v\u00e0 tr\u1eeb c\u00e1c ph\u00e2n s\u1ed1: \u0110\u1ec3 th\u00eam ho\u1eb7c tr\u1eeb c\u00e1c ph\u00e2n s\u1ed1, c\u1ea7n ph\u1ea3i h\u00ecnh th\u00e0nh s\u1ed1 b\u1eb1ng c\u00e1ch t\u00ecm b\u1ed9i s\u1ed1 chung nh\u1ecf nh\u1ea5t c\u1ee7a d\u1ea1ng hai h\u00ecnh. Sau \u0111\u00f3, th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n v\u1edbi s\u1ed1 hi\u1ec7n c\u00f3.<\/li>\n<li>Nh\u00e2n v\u00e0 chia c\u00e1c ph\u00e2n s\u1ed1: \u0110\u1ec3 nh\u00e2n ph\u00e2n s\u1ed1, nh\u00e2n s\u1ed1 v\u1edbi c\u00e1c ch\u1eef s\u1ed1 v\u00e0 m\u1ec7nh gi\u00e1 v\u1edbi m\u1eabu s\u1ed1, sau \u0111\u00f3 r\u00fat ng\u1eafn k\u1ebft qu\u1ea3 n\u1ebfu c\u1ea7n thi\u1ebft. V\u00e0 \u0111\u1ec3 chia ph\u1ea7n, h\u00e3y l\u1ea5y ph\u00e2n s\u1ed1 \u0111\u01b0\u1ee3c chia th\u00e0nh ngh\u1ecbch \u0111\u1ea3o c\u1ee7a ph\u00e2n s\u1ed1 chia.<\/li>\n<li>X\u00e1c \u0111\u1ecbnh ph\u00e2n s\u1ed1 t\u1ed1i gi\u1ea3n: Ph\u1ea7n t\u1ed1i thi\u1ec3u l\u00e0 s\u1ed1 s\u1ed1 c\u00f3 s\u1ed1 v\u00e0 m\u1eabu kh\u00f4ng \u0111\u01b0\u1ee3c chia cho b\u1ea5t k\u1ef3 s\u1ed1 t\u1ef1 nhi\u00ean n\u00e0o l\u1edbn h\u01a1n 1. V\u00ed d\u1ee5: 1\/2, 3\/5, 7\/11 l\u00e0 m\u1ed9t ph\u1ea7n t\u1ed1i gi\u1ea3n.<\/li>\n<li>\u1ede \u0111\u00e2u kh\u00f4ng th\u1ec3 r\u00fat ng\u1eafn: N\u1ebfu b\u1ea5t k\u1ef3 UCL n\u00e0o kh\u00f4ng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y l\u1edbn h\u01a1n 1 c\u1ee7a s\u1ed1 v\u00e0 m\u1eabu s\u1ed1, s\u1ed1 l\u01b0\u1ee3ng \u1edf d\u1ea1ng t\u1ed1i gi\u1ea3n.<\/li>\n<li>M\u1ed9t s\u1ed1 m\u1eb9o \u0111\u1ec3 r\u00fat ng\u1eafn ph\u00e2n s\u1ed1 nhanh ch\u00f3ng:\n<ul>\n<li>Ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 m\u1eabu s\u1ed1 th\u00e0nh c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh.<\/li>\n<li>Lo\u1ea1i b\u1ecf y\u1ebfu t\u1ed1 ph\u1ed5 bi\u1ebfn xu\u1ea5t hi\u1ec7n trong c\u1ea3 s\u1ed1 v\u00e0 m\u1eabu.<\/li>\n<li>S\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh \u0111\u00e1ng nh\u1edb, v\u00ed d\u1ee5: a^2 &#8211; b^2 = (a + b) (a &#8211; b).<\/li>\n<\/ul>\n<\/li>\n<li>Khi gi\u1ea3m ph\u00e2n s\u1ed1, h\u00e3y ch\u00fa \u00fd \u0111\u1ec3 gi\u1eef gi\u00e1 tr\u1ecb c\u1ee7a ph\u00e2n s\u1ed1.<\/li>\n<li>Tr\u00e1nh ph\u1ea1m sai l\u1ea7m nh\u01b0 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 chia cho m\u1eabu s\u1ed1, ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<li>N\u00ean ki\u1ec3m tra k\u1ebft qu\u1ea3 sau khi r\u00fat ng\u1eafn.<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tap_the_duc_rut_ngan_lop_4_de_hoc_sinh_tu_dao_tao\"><\/span>T\u1eadp th\u1ec3 d\u1ee5c r\u00fat ng\u1eafn l\u1edbp 4 \u0111\u1ec3 h\u1ecdc sinh t\u1ef1 \u0111\u00e0o t\u1ea1o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau khi n\u1eafm b\u1eaft c\u00e1c ph\u00e2n s\u1ed1 t\u1ed1i gi\u1ea3n, \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp \u0111\u1ec3 h\u1ecd th\u1ef1c h\u00e0nh c\u00f9ng nhau.<\/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\/rut-gon-phan-so-7.jpg\" alt=\"(Ngu\u1ed3n: T\u00f3m t\u1eaft)\" width=\"100%\"><\/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 ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 s\u1ef1 thi\u1ebfu h\u1ee5t to\u00e1n h\u1ecdc c\u1ee7a c\u00e1c ph\u00e2n s\u1ed1. Hy v\u1ecdng d\u1ef1a tr\u00ean vi\u1ec7c chia s\u1ebb \u1edf tr\u00ean s\u1ebd gi\u00fap tr\u1ebb em c\u00f3 th\u1ec3 hi\u1ec3u v\u00e0 th\u1ef1c h\u00e0nh c\u00f9ng nhau v\u00e0 th\u1ef1c h\u00e0nh hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n<p>Ngu\u1ed3n: <a href=\"https:\/\/www.ckconitsha.com\/vn\/\">https:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00fat ng\u1eafn c\u00e1c ph\u00e2n s\u1ed1, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u00e2n s\u1ed1 t\u1ed1i gi\u1ea3n, l\u00e0 m\u1ed9t lo\u1ea1i b\u00e0i t\u1eadp ph\u1ed5 bi\u1ebfn trong ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n l\u1edbp 4, c\u0169ng nh\u01b0 c\u00e1c l\u1edbp cao h\u01a1n. V\u00ec v\u1eady, \u0111\u1ec3 hi\u1ec3u ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i gi\u1ea3n t\u1ed1i gi\u1ea3n v\u00e0 ch\u00ednh x\u00e1c, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef s\u1ebd chia s\u1ebb&#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-7816","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/7816","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=7816"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/7816\/revisions"}],"predecessor-version":[{"id":7995,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/7816\/revisions\/7995"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=7816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=7816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=7816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}