{"id":14921,"date":"2025-06-10T22:50:57","date_gmt":"2025-06-10T15:50:57","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=14921"},"modified":"2025-07-05T18:20:06","modified_gmt":"2025-07-05T11:20:06","slug":"cach-giai-bai-tap-nhan-so-do-thoi-gian-voi-mot-so-tu-a-z","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/cach-giai-bai-tap-nhan-so-do-thoi-gian-voi-mot-so-tu-a-z\/","title":{"rendered":"C\u00e1ch gi\u1ea3i b\u00e0i t\u1eadp nh\u00e2n s\u1ed1 \u0111o th\u1eddi gian v\u1edbi m\u1ed9t s\u1ed1 t\u1eeb A &#8211; Z"},"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-nhan-so-do-thoi-gian-voi-mot-so-tu-a-z\/#Cac_buoc_de_giai_cac_bai_tap_thoi_gian\" >C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3i c\u00e1c b\u00e0i t\u1eadp th\u1eddi gian<\/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-nhan-so-do-thoi-gian-voi-mot-so-tu-a-z\/#Mot_so_bai_tap_nhan_so_do_thoi_gian_voi_mot_so_sach_giao_khoa_mo_rong\" >M\u1ed9t s\u1ed1 b\u00e0i t\u1eadp nh\u00e2n s\u1ed1 \u0111o th\u1eddi gian v\u1edbi m\u1ed9t s\u1ed1 s\u00e1ch gi\u00e1o khoa + m\u1edf r\u1ed9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-bai-tap-nhan-so-do-thoi-gian-voi-mot-so-tu-a-z\/#Bi_quyet_giup_tre_em_chinh_phuc_cac_phep_do_toan_hoc_voi_mot_so_khong_gian_hieu_qua\" >B\u00ed quy\u1ebft gi\u00fap tr\u1ebb em chinh ph\u1ee5c c\u00e1c ph\u00e9p \u0111o to\u00e1n h\u1ecdc v\u1edbi m\u1ed9t s\u1ed1 kh\u00f4ng gian 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-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-giai-bai-tap-nhan-so-do-thoi-gian-voi-mot-so-tu-a-z\/#Tao_mot_nen_tang_toan_hoc_vung_chac_cho_tre_em_voi_toan_hoc_khi\" >T\u1ea1o m\u1ed9t n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc v\u1eefng ch\u1eafc cho tr\u1ebb em v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9<\/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-nhan-so-do-thoi-gian-voi-mot-so-tu-a-z\/#Dam_bao_kien_%E2%80%8B%E2%80%8Bthuc_ve_don_vi_do_thoi_gian\" >\u0110\u1ea3m b\u1ea3o ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 \u0111\u01a1n v\u1ecb \u0111o th\u1eddi gian<\/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-nhan-so-do-thoi-gian-voi-mot-so-tu-a-z\/#Thuoc_ve_bang_chin_chuong_la_mot_yeu_to_thiet_yeu\" >Thu\u1ed9c v\u1ec1 b\u1ea3ng ch\u00edn ch\u01b0\u01a1ng l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu<\/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-nhan-so-do-thoi-gian-voi-mot-so-tu-a-z\/#Thuc_hanh_thuc_hanh_giai_toan_thong_thuong\" >Th\u1ef1c h\u00e0nh th\u1ef1c h\u00e0nh gi\u1ea3i to\u00e1n th\u00f4ng th\u01b0\u1eddng<\/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-nhan-so-do-thoi-gian-voi-mot-so-tu-a-z\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>Nh\u00e2n s\u1ed1 \u0111o th\u1eddi gian v\u1edbi m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp to\u00e1n l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f3 kh\u0103n. \u0110\u1ec3 gi\u00fap h\u1ecd th\u1ef1c hi\u1ec7n b\u00e0i t\u1eadp n\u00e0y, kh\u1ec9 n\u1ed9i dung sau \u0111\u00e2y s\u1ebd h\u01b0\u1edbng d\u1eabn gi\u1ea3i ph\u00e1p chi ti\u1ebft nh\u1ea5t.<\/p>\n<p>                        Xem t\u1ea5t c\u1ea3<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_buoc_de_giai_cac_bai_tap_thoi_gian\"><\/span>C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3i c\u00e1c b\u00e0i t\u1eadp th\u1eddi gian<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ed1i v\u1edbi c\u00e1c b\u00e0i t\u1eadp nh\u00e2n c\u1ee7a c\u00e1c s\u1ed1 v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb \u0111o th\u1eddi gian, ch\u00fang ch\u1ec9 c\u1ea7n tu\u00e2n theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 1: \u0110\u1eb7t c\u1ed9t d\u1ecdc, \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u1eef s\u1ed1 v\u00e0 \u0111\u01a1n v\u1ecb th\u1eddi gian c\u1ee7a c\u00e1c h\u00e0ng ph\u1ea3i \u0111\u01b0\u1ee3c th\u1eb3ng \u0111\u1ee9ng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 2: Th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n nh\u00e2n b\u00ecnh th\u01b0\u1eddng nh\u01b0 nh\u00e2n s\u1ed1 t\u1ef1 nhi\u00ean.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 3: Trong k\u1ebft qu\u1ea3 nh\u00e2n c\u1ee7a m\u1edbi \u0111\u01b0\u1ee3c tri\u1ec3n khai, c\u1ea7n th\u00eam ti\u1ec1n t\u1ed1 l\u00e0 \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">* L\u01b0u \u00fd: Khi thi\u1ebft b\u1ecb \u0111o th\u1eddi gian theo c\u00e1c \u0111\u01a1n v\u1ecb nh\u1ecf c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i th\u00e0nh m\u1ed9t \u0111\u01a1n v\u1ecb l\u1edbn, ch\u00fang t\u00f4i chuy\u1ec3n sang m\u1ed9t \u0111\u01a1n v\u1ecb l\u1edbn h\u01a1n n\u00f3. <\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: T\u00ednh to\u00e1n<\/em><\/p>\n<p dir=\"ltr\"><em>a) 3 gi\u1edd 12 ph\u00fat x 3                       <\/em><\/p>\n<p dir=\"ltr\"><em>4 gi\u1edd 23 ph\u00fat x 4                               <\/em><\/p>\n<p dir=\"ltr\"><em>12 ph\u00fat 25 gi\u00e2y x 5 <\/em><\/p>\n<p dir=\"ltr\"><em>b) 4,1 gi\u1edd x 6                       <\/em><\/p>\n<p dir=\"ltr\"><em>3,4 ph\u00fat x 4<\/em><\/p>\n<p dir=\"ltr\"><em>9,5 gi\u00e2y x 3<\/em><\/p>\n<p dir=\"ltr\"><em>Tr\u1ea3 l\u1eddi<\/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\/nhan-so-do-thoi-gian-voi-mot-so-1.jpg\" alt=\"\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_bai_tap_nhan_so_do_thoi_gian_voi_mot_so_sach_giao_khoa_mo_rong\"><\/span>M\u1ed9t s\u1ed1 b\u00e0i t\u1eadp nh\u00e2n s\u1ed1 \u0111o th\u1eddi gian v\u1edbi m\u1ed9t s\u1ed1 s\u00e1ch gi\u00e1o khoa + m\u1edf r\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau khi n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i to\u00e1n nh\u00e2n gi\u1eefa c\u00e1c \u0111\u01a1n v\u1ecb \u0111o th\u1eddi gian v\u1edbi m\u1ed9t s\u1ed1, \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp \u0111\u1ec3 h\u1ecd th\u1ef1c h\u00e0nh v\u00e0 th\u1ef1c h\u00e0nh:<\/p>\n<p dir=\"ltr\">C\u00e2u 1: \u0110\u1eb7t t\u00ednh to\u00e1n v\u00e0 t\u00ednh to\u00e1n<\/p>\n<p dir=\"ltr\">M\u1ed9t. 2 gi\u1edd 15 ph\u00fat x 4<\/p>\n<p dir=\"ltr\">b. 7 ph\u00fat 42 gi\u00e2y x 5<\/p>\n<p dir=\"ltr\">c. 1 gi\u1edd 30 ph\u00fat x 6<\/p>\n<p dir=\"ltr\">d. 11 ph\u00fat 28 gi\u00e2y x 7<\/p>\n<p dir=\"ltr\">e. 3 n\u0103m 8 th\u00e1ng x 9<\/p>\n<p dir=\"ltr\">f. 4 ng\u00e0y 12 gi\u1edd x 8<\/p>\n<p dir=\"ltr\">g. 7 th\u1ebf k\u1ef7 58 n\u0103m x 3<\/p>\n<p dir=\"ltr\">h. 2 tu\u1ea7n 5 ng\u00e0y x 7<\/p>\n<p dir=\"ltr\">T\u00f4i. 5 ng\u00e0y 18 gi\u1edd x 4<\/p>\n<p dir=\"ltr\">j. 6 n\u0103m 6 th\u00e1ng x 6<\/p>\n<p dir=\"ltr\">C\u00e2u 2: \u0110\u1eb7t t\u00ednh to\u00e1n sau \u0111\u00f3 t\u00ednh to\u00e1n<\/p>\n<p dir=\"ltr\">M\u1ed9t. 8 ph\u00fat 45 gi\u00e2y x 6<\/p>\n<p dir=\"ltr\">b. 2 gi\u1edd 35 ph\u00fat x 5<\/p>\n<p dir=\"ltr\">c. 1 n\u0103m 8 th\u00e1ng x 9<\/p>\n<p dir=\"ltr\">d. 3 ng\u00e0y 12 gi\u1edd x 4<\/p>\n<p dir=\"ltr\">e. 7 ph\u00fat 28 gi\u00e2y x 3<\/p>\n<p dir=\"ltr\">f. 4 gi\u1edd 50 ph\u00fat x 7<\/p>\n<p dir=\"ltr\">g. 9 th\u1ebf k\u1ef7 72 n\u0103m x 8<\/p>\n<p dir=\"ltr\">h. 5 ng\u00e0y 20 gi\u1edd x 6<\/p>\n<p dir=\"ltr\">T\u00f4i. 2 ph\u00fat 15 gi\u00e2y x 14<\/p>\n<p dir=\"ltr\">j. 3 n\u0103m 9 th\u00e1ng x 27<\/p>\n<p dir=\"ltr\">C\u00e2u 3. C\u00f3 m\u1ed9t v\u1ea5n \u0111\u1ec1 trung b\u00ecnh trong 2 ph\u00fat 48 gi\u00e2y. H\u1ecfi l\u00e0m th\u1ebf n\u00e0o 5 v\u1ea5n \u0111\u1ec1 nh\u01b0 v\u1eady?<\/p>\n<p dir=\"ltr\">C\u00e2u 4. \u00d4ng TU \u0111\u00f3ng m\u1ed9t chi\u1ebfc gh\u1ebf trong 1 gi\u1edd 50 ph\u00fat. Y\u00eau c\u1ea7u \u00f4ng TU \u0111\u00f3ng 6 gh\u1ebf nh\u01b0 v\u1eady?<\/p>\n<p dir=\"ltr\">C\u00e2u 5: M\u1ed9t c\u00f4ng nh\u00e2n t\u1ea1o ra m\u1ed9t s\u1ea3n ph\u1ea9m trong 2 gi\u1edd 25 ph\u00fat. Y\u00eau c\u1ea7u ng\u01b0\u1eddi \u0111o l\u01b0\u1eddng l\u00e0m 8 s\u1ea3n ph\u1ea9m nh\u01b0 v\u1eady m\u1ecdi l\u00fac?<\/p>\n<p dir=\"ltr\">C\u00e2u 6: M\u1ed9t th\u1ee3 may M\u1ed9t chi\u1ebfc \u00e1o \u0111\u00e3 bi\u1ebfn m\u1ea5t trong 1 gi\u1edd 45 ph\u00fat v\u00e0 may qu\u1ea7n trong 1 gi\u1edd 20 ph\u00fat. \u00c1o s\u01a1 mi may 4 chi\u1ebfc \u00e1o s\u01a1 mi v\u00e0 5 qu\u1ea7n? Bi\u1ebft th\u1eddi gian \u0111\u1ec3 may 1 \u00e1o, 1 qu\u1ea7n kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n<p dir=\"ltr\">C\u00e2u 7: M\u1ed9t nh\u00f3m c\u00f4ng nh\u00e2n chuy\u1ec3n g\u1ea1o v\u00e0o 3 kho. Th\u1eddi gian \u0111\u1ec3 chuy\u1ec3n g\u1ea1o v\u00e0o kho \u0111\u1ea7u ti\u00ean l\u00e0 1 gi\u1edd 20 ph\u00fat. Bi\u1ebft th\u1eddi gian chuy\u1ec3n g\u1ea1o v\u00e0o kho th\u1ee9 hai 3 l\u1ea7n th\u1eddi gian chuy\u1ec3n g\u1ea1o v\u00e0o kho \u0111\u1ea7u ti\u00ean. Th\u1eddi gian \u0111\u1ec3 chuy\u1ec3n g\u1ea1o v\u00e0o kho th\u1ee9 ba hai l\u1ea7n th\u1eddi gian chuy\u1ec3n g\u1ea1o v\u00e0o kho th\u1ee9 hai. T\u00ednh t\u1ed5ng th\u1eddi gian \u0111\u1ec3 chuy\u1ec3n g\u1ea1o v\u00e0o 3 kho.<\/p>\n<p dir=\"ltr\">C\u00e2u 8: M\u1ed9t ng\u01b0\u1eddi ch\u1ea1y quanh h\u1ed3. Bi\u1ebft th\u1eddi gian b\u1eaft \u0111\u1ea7u c\u1ee7a v\u00f2ng \u0111\u1ea7u ti\u00ean l\u00e0 5 gi\u1edd 30 ph\u00fat cho \u0111\u1ebfn khi k\u1ebft th\u00fac cu\u1ed9c ch\u1ea1y l\u00e0 6 gi\u1edd 5 ph\u00fat. H\u1ecfi xem kh\u00f4ng t\u00ednh th\u1eddi gian c\u00f2n l\u1ea1i m\u00e0 ng\u01b0\u1eddi \u0111\u00f3 ch\u1ea1y 3 h\u1ed3 sau?<\/p>\n<p dir=\"ltr\">C\u00e2u 9: M\u1ed9t v\u00f2i ch\u1ea3y m\u1ed9t h\u1ed3 trong 3 gi\u1edd 20 ph\u00fat. H\u1ecfi 4 v\u00f2i n\u01b0\u1edbc nh\u01b0 v\u1eady v\u00e0o b\u1ec3 c\u00f9ng m\u1ed9t l\u00fac, n\u00f3 s\u1ebd \u0111\u1ea7y bao l\u00e2u?<\/p>\n<p dir=\"ltr\">C\u00e2u 10: M\u1ed9t h\u1ecdc sinh gi\u1ecfi to\u00e1n l\u1edbp 5 h\u1ecfi gi\u00e1o vi\u00ean: &#8220;Gi\u00e1o vi\u00ean \u0111\u1ebfn l\u1edbp bao nhi\u00eau th\u1eddi gian m\u1ed7i tu\u1ea7n?&#8221;. Gi\u00e1o vi\u00ean cho bi\u1ebft: Gi\u00e1o vi\u00ean d\u1ea1y hai l\u1edbp to\u00e1n, l\u1ecbch tr\u00ecnh c\u1ee7a m\u1ed7i l\u1edbp c\u00f3 3 m\u00f4n h\u1ecdc: s\u1ed1 h\u1ecdc, h\u00ecnh h\u1ecdc v\u00e0 gi\u1ea3i quy\u1ebft to\u00e1n h\u1ecdc. Trong m\u1ed7i l\u1edbp trong m\u1ed9t tu\u1ea7n h\u00ecnh h\u1ecdc 40 ph\u00fat. Th\u1eddi gian h\u1ecdc to\u00e1n v\u1edbi 2 l\u1ea7n h\u00ecnh h\u1ecdc.<\/p>\n<p dir=\"ltr\">\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bi_quyet_giup_tre_em_chinh_phuc_cac_phep_do_toan_hoc_voi_mot_so_khong_gian_hieu_qua\"><\/span>B\u00ed quy\u1ebft gi\u00fap tr\u1ebb em chinh ph\u1ee5c c\u00e1c ph\u00e9p \u0111o to\u00e1n h\u1ecdc v\u1edbi m\u1ed9t s\u1ed1 kh\u00f4ng gian hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">V\u1ec1 c\u01a1 b\u1ea3n, v\u1ea5n \u0111\u1ec1 nh\u00e2n s\u1ed1 c\u00e1c s\u1ed1 v\u1edbi m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian v\u1edbi s\u1ed1 t\u1ef1 nhi\u00ean kh\u00f4ng qu\u00e1 kh\u00f3. Nh\u01b0ng nhi\u1ec1u em b\u00e9 v\u1eabn t\u00ednh to\u00e1n k\u1ebft qu\u1ea3 sai. V\u00ec v\u1eady, \u0111\u1ec3 gi\u00fap con b\u1ea1n hi\u1ec3u v\u00e0 chinh ph\u1ee5c h\u00ecnh th\u1ee9c to\u00e1n h\u1ecdc n\u00e0y, \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 m\u1eb9o m\u00e0 cha m\u1eb9 c\u00f3 th\u1ec3 \u0111\u1ec1 c\u1eadp \u0111\u1ec3 h\u1ed7 tr\u1ee3 em b\u00e9:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tao_mot_nen_tang_toan_hoc_vung_chac_cho_tre_em_voi_toan_hoc_khi\"><\/span>T\u1ea1o m\u1ed9t n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc v\u1eefng ch\u1eafc cho tr\u1ebb em v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng gi\u1ea3ng d\u1ea1y song ng\u1eef tr\u1ef1c tuy\u1ebfn \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi kh\u1ec9 d\u00e0nh ri\u00eang cho tr\u1ebb m\u1eabu gi\u00e1o v\u00e0 tr\u1ebb em ti\u1ec3u h\u1ecdc. V\u1edbi n\u1ed9i dung \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng ch\u1eb7t ch\u1ebd v\u1edbi ch\u01b0\u01a1ng tr\u00ecnh gi\u00e1o d\u1ee5c m\u1edbi nh\u1ea5t, \u0111\u1ec3 gi\u00fap tr\u1ebb em x\u00e2y d\u1ef1ng m\u1ed9t n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc v\u1eefng ch\u1eafc \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng h\u1ecdc t\u1eadp trong l\u1edbp h\u1ecdc v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf hi\u1ec7u qu\u1ea3.<\/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\/nhan-so-do-thoi-gian-voi-mot-so-2.jpg\" alt=\"H\u1ecdc to\u00e1n b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u00edch c\u1ef1c v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9. (\u1ea2nh: Kh\u1ec9)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">M\u1ed9t t\u00ednh n\u0103ng \u0111\u1eb7c bi\u1ec7t khi tr\u1ebb h\u1ecdc to\u00e1n v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9 \u0111ang \u0111\u01b0\u1ee3c d\u1ea1y th\u00f4ng qua nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p t\u00edch c\u1ef1c kh\u00e1c nhau nh\u01b0: <em>D\u1ea1y qua video, ho\u1ea1t h\u00ecnh h\u00e0i h\u01b0\u1edbc, tr\u1ebb h\u1ecdc to\u00e1n th\u00f4ng qua c\u00e1c tr\u00f2 ch\u01a1i t\u01b0\u01a1ng t\u00e1c, b\u00e0i t\u1eadp b\u1ed5 sung &#8230;<\/em> T\u1ea5t c\u1ea3 \u0111i\u1ec1u n\u00e0y g\u00f3p ph\u1ea7n gi\u00fap tr\u1ebb em c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng c\u00f3 \u0111\u01b0\u1ee3c, ghi nh\u1edb v\u00e0 suy ngh\u0129 khi h\u1ecdc to\u00e1n v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n<p dir=\"ltr\">Ngo\u00e0i ra, n\u1ed9i dung b\u00e0i h\u1ecdc s\u1ebd \u0111\u01b0\u1ee3c theo d\u00f5i ch\u1eb7t ch\u1ebd b\u1edfi ch\u01b0\u01a1ng tr\u00ecnh gi\u1ea3ng d\u1ea1y c\u1ee7a tr\u1ebb em trong l\u1edbp, \u0111\u01b0\u1ee3c chia th\u00e0nh 4 c\u1ea5p \u0111\u1ed9 t\u1eeb d\u1ec5 d\u00e0ng \u0111\u1ebfn kh\u00f3 kh\u0103n \u0111\u1ec3 cha m\u1eb9 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ch\u1ecdn c\u1ea5p \u0111\u1ed9 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 tu\u1ed5i v\u00e0 kh\u1ea3 n\u0103ng h\u1ecdc t\u1eadp c\u1ee7a tr\u1ebb em.<\/p>\n<p dir=\"ltr\">C\u1ee5 th\u1ec3, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math c\u0169ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u1edbi nhi\u1ec1u t\u00ednh n\u0103ng th\u00f4ng minh gi\u00fap \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng h\u1ecdc t\u1eadp c\u1ee7a em b\u00e9, ki\u1ec3m so\u00e1t th\u1eddi gian h\u1ecdc c\u00f9ng v\u1edbi nhi\u1ec1u t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 ph\u1ee5 huynh qu\u1ea3n l\u00fd, ki\u1ec3m tra v\u00e0 theo d\u00f5i vi\u1ec7c h\u1ecdc to\u00e1n c\u1ee7a em b\u00e9 t\u1ed1t h\u01a1n tr\u00ean \u1ee9ng d\u1ee5ng.<\/p>\n<p dir=\"ltr\">\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 to\u00e1n h\u1ecdc kh\u1ec9, ph\u1ee5 huynh c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed ho\u1eb7c theo d\u00f5i video sau:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"> <img loading=\"lazy\" decoding=\"async\" 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=\"200\" height=\"27\"><\/p>\n<p dir=\"ltr\" 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<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dam_bao_kien_%E2%80%8B%E2%80%8Bthuc_ve_don_vi_do_thoi_gian\"><\/span>\u0110\u1ea3m b\u1ea3o ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 \u0111\u01a1n v\u1ecb \u0111o th\u1eddi gian<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">  Kh\u00f4ng gi\u1ed1ng nh\u01b0 t\u00ednh to\u00e1n nh\u00e2n chung, \u1edf \u0111\u00e2y ch\u00fang ta s\u1ebd c\u00f3 c\u00e1c kho\u1ea3n ph\u00ed b\u1ed5 sung l\u00e0 \u0111\u01a1n v\u1ecb \u0111o th\u1eddi gian. V\u00ec v\u1eady, n\u1ebfu em b\u00e9 kh\u00f4ng bi\u1ebft ho\u1eb7c \u0111\u00e3 qu\u00ean ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 \u0111\u01a1n v\u1ecb gi\u1ea3i ph\u00f3ng th\u1eddi gian v\u00e0 c\u00e1ch thay \u0111\u1ed5i, cha m\u1eb9 c\u1ea7n h\u01b0\u1edbng d\u1eabn v\u00e0 c\u1ee7ng c\u1ed1 k\u1ecbp th\u1eddi \u0111\u1ec3 gi\u00fap \u0111\u1ee1 h\u1ecd.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Thuoc_ve_bang_chin_chuong_la_mot_yeu_to_thiet_yeu\"><\/span>Thu\u1ed9c v\u1ec1 b\u1ea3ng ch\u00edn ch\u01b0\u01a1ng l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi n\u00f3i \u0111\u1ebfn vi\u1ec7c t\u00ednh to\u00e1n nh\u00e2n, n\u00f3 \u0111\u00f2i h\u1ecfi tr\u1ebb ph\u1ea3i thu\u1ed9c v\u1ec1 b\u1ea3ng ch\u00edn ch\u01b0\u01a1ng t\u1eeb 1 &#8211; 10. \u0110\u00e2y l\u00e0 n\u1ec1n t\u1ea3ng ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n, n\u1ebfu em b\u00e9 qu\u00ean, cha m\u1eb9 n\u00ean c\u1ee7ng c\u1ed1 v\u00e0 y\u00eau c\u1ea7u em b\u00e9 th\u1ef1c h\u00e0nh tr\u1edf l\u1ea1i ho\u1eb7c n\u00f3 s\u1ebd kh\u00f4ng gi\u1ea3i quy\u1ebft vi\u1ec7c th\u1ef1c hi\u1ec7n ph\u00e9p \u0111o th\u1eddi gian b\u1eb1ng m\u1ed9t 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\/nhan-so-do-thoi-gian-voi-mot-so-3.jpg\" alt=\"B\u1ea3ng ch\u00edn ch\u01b0\u01a1ng l\u00e0 ti\u1ec1n \u0111\u1ec1 \u0111\u1ec3 gi\u1ea3i quy\u1ebft t\u00ednh to\u00e1n nh\u00e2n. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Thuc_hanh_thuc_hanh_giai_toan_thong_thuong\"><\/span>Th\u1ef1c h\u00e0nh th\u1ef1c h\u00e0nh gi\u1ea3i to\u00e1n th\u00f4ng th\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">&#8220;H\u1ecdc v\u1edbi h\u00e0nh&#8221; l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c h\u1ecdc t\u1eadp v\u00e0 l\u00e0m vi\u1ec7c n\u1ebfu b\u1ea1n mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00e0nh c\u00f4ng. V\u00ec v\u1eady, sau khi em b\u00e9 \u0111\u00e3 th\u00e0nh th\u1ea1o l\u00fd thuy\u1ebft c\u1ee7a b\u00e0i t\u1eadp, ph\u1ee5 huynh n\u00ean h\u1ecfi v\u00e0 khuy\u1ebfn kh\u00edch h\u1ecd l\u00e0m b\u00e0i t\u1eadp v\u1ec1 nh\u00e0 \u0111\u01b0\u1ee3c giao trong l\u1edbp, c\u00e1c b\u00e0i t\u1eadp trong s\u00e1ch gi\u00e1o khoa, b\u00e0i t\u1eadp, t\u00ecm hi\u1ec3u th\u00eam ki\u1ebfn \u200b\u200bth\u1ee9c tr\u00ean Internet &#8230;<\/p>\n<p dir=\"ltr\">\u0110i\u1ec1u n\u00e0y s\u1ebd g\u00f3p ph\u1ea7n c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng quan s\u00e1t, ti\u1ebfp thu, ghi nh\u1edb v\u00e0 suy ngh\u0129 khi h\u1ecdc to\u00e1n t\u1ed1t h\u01a1n m\u00e0 cha m\u1eb9 n\u00ean \u00e1p d\u1ee5ng.<\/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 th\u00f4ng tin chia s\u1ebb v\u1ec1 ki\u1ebfn \u200b\u200bth\u1ee9c nh\u00e2n v\u1edbi th\u1eddi gian v\u1edbi m\u1ed9t s\u1ed1. Do \u0111\u00f3, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng \u0111\u00e2y l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c t\u1eadp th\u1ec3 d\u1ee5c t\u01b0\u01a1ng \u0111\u1ed1i c\u01a1 b\u1ea3n, nh\u01b0ng n\u00f3 c\u0169ng l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 chinh ph\u1ee5c c\u00e1c b\u00e0i t\u1eadp kh\u00f3 h\u01a1n. V\u00ec v\u1eady, ph\u1ee5 huynh c\u00f3 th\u1ec3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c chia s\u1ebb \u1edf tr\u00ean \u0111\u1ec3 h\u1ed7 tr\u1ee3 vi\u1ec7c h\u1ecdc c\u1ee7a h\u1ecd \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t 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>Nh\u00e2n s\u1ed1 \u0111o th\u1eddi gian v\u1edbi m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp to\u00e1n l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f3 kh\u0103n. \u0110\u1ec3 gi\u00fap h\u1ecd th\u1ef1c hi\u1ec7n b\u00e0i t\u1eadp n\u00e0y, kh\u1ec9 n\u1ed9i dung sau \u0111\u00e2y s\u1ebd h\u01b0\u1edbng d\u1eabn gi\u1ea3i ph\u00e1p chi ti\u1ebft nh\u1ea5t. Xem t\u1ea5t c\u1ea3 C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3i c\u00e1c b\u00e0i t\u1eadp th\u1eddi gian \u0110\u1ed1i v\u1edbi c\u00e1c b\u00e0i t\u1eadp nh\u00e2n&#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-14921","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14921","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=14921"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14921\/revisions"}],"predecessor-version":[{"id":18045,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14921\/revisions\/18045"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=14921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=14921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=14921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}