{"id":14929,"date":"2025-06-11T00:10:27","date_gmt":"2025-06-10T17:10:27","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=14929"},"modified":"2025-07-05T18:50:04","modified_gmt":"2025-07-05T11:50:04","slug":"cong-so-do-thoi-gian-huong-dan-cach-hoc-chinh-phuc-hieu-qua","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/cong-so-do-thoi-gian-huong-dan-cach-hoc-chinh-phuc-hieu-qua\/","title":{"rendered":"C\u1ed9ng s\u1ed1 \u0111o th\u1eddi gian: H\u01b0\u1edbng d\u1eabn c\u00e1ch h\u1ecdc &amp; chinh ph\u1ee5c hi\u1ec7u qu\u1ea3"},"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\/cong-so-do-thoi-gian-huong-dan-cach-hoc-chinh-phuc-hieu-qua\/#Cac_buoc_de_giai_cac_bai_tap_do_thoi_gian\" >C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3i c\u00e1c b\u00e0i t\u1eadp \u0111o 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\/cong-so-do-thoi-gian-huong-dan-cach-hoc-chinh-phuc-hieu-qua\/#Mot_so_bai_tap_thoi_gian_trong_sach_giao_khoa_mo_rong\" >M\u1ed9t s\u1ed1 b\u00e0i t\u1eadp th\u1eddi gian trong 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\/cong-so-do-thoi-gian-huong-dan-cach-hoc-chinh-phuc-hieu-qua\/#Bi_quyet_de_giup_tre_chinh_phuc_toan_hoc_cua_don_vi_de_do_thoi_gian_mot_cach_hieu_qua\" >B\u00ed quy\u1ebft \u0111\u1ec3 gi\u00fap tr\u1ebb chinh ph\u1ee5c to\u00e1n h\u1ecdc c\u1ee7a \u0111\u01a1n v\u1ecb \u0111\u1ec3 \u0111o th\u1eddi gian m\u1ed9t c\u00e1ch 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\/cong-so-do-thoi-gian-huong-dan-cach-hoc-chinh-phuc-hieu-qua\/#Xay_dung_mot_nen_tang_toan_hoc_vung_chac_cho_tre_em_tu_khi_con_nho_voi_toan_hoc_khi\" >X\u00e2y d\u1ef1ng m\u1ed9t n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc v\u1eefng ch\u1eafc cho tr\u1ebb em t\u1eeb khi c\u00f2n nh\u1ecf 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\/cong-so-do-thoi-gian-huong-dan-cach-hoc-chinh-phuc-hieu-qua\/#Hieu_bang_thoi_gian_va_cach_thay_doi_thoi_gian_chinh_xac\" >Hi\u1ec3u b\u1ea3ng th\u1eddi gian v\u00e0 c\u00e1ch thay \u0111\u1ed5i th\u1eddi gian ch\u00ednh x\u00e1c<\/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\/cong-so-do-thoi-gian-huong-dan-cach-hoc-chinh-phuc-hieu-qua\/#Huong_dan_em_be_cua_ban_mot_so_ky_nang_de_tinh_toan_bo_sung\" >H\u01b0\u1edbng d\u1eabn em b\u00e9 c\u1ee7a b\u1ea1n m\u1ed9t s\u1ed1 k\u1ef9 n\u0103ng \u0111\u1ec3 t\u00ednh to\u00e1n b\u1ed5 sung<\/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\/cong-so-do-thoi-gian-huong-dan-cach-hoc-chinh-phuc-hieu-qua\/#Thuc_hanh_thuc_hanh_thuong_xuyen\" >Th\u1ef1c h\u00e0nh th\u1ef1c h\u00e0nh 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-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/cong-so-do-thoi-gian-huong-dan-cach-hoc-chinh-phuc-hieu-qua\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>Th\u00eam c\u00e1c ph\u00e9p \u0111o th\u1eddi gian l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i b\u00e0i t\u1eadp v\u1ec1 c\u00e1c b\u1ea3ng th\u1eddi gian m\u00e0 h\u1ecd s\u1ebd h\u1ecdc, l\u00e0m quen v\u00e0 chinh ph\u1ee5c. V\u00ec v\u1eady, n\u1ebfu ph\u1ee5 huynh ho\u1eb7c h\u1ecdc sinh c\u1ea7n t\u00e0i li\u1ec7u \u0111\u1ec3 nghi\u00ean c\u1ee9u, h\u00e3y gi\u1ea3i quy\u1ebft b\u00e0i t\u1eadp n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, con kh\u1ec9 n\u1ed9i dung sau \u0111\u00e2y s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft.<\/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_do_thoi_gian\"><\/span>C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3i c\u00e1c b\u00e0i t\u1eadp \u0111o th\u1eddi gian<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ed1i v\u1edbi h\u00ecnh th\u1ee9c to\u00e1n h\u1ecdc th\u1ef1c hi\u1ec7n vi\u1ec7c b\u1ed5 sung c\u00e1c ph\u00e9p \u0111o th\u1eddi gian v\u1ec1 c\u01a1 b\u1ea3n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 gi\u1ea3i quy\u1ebft c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean, nh\u01b0ng s\u1ebd c\u00f3 c\u00e1c kho\u1ea3n ph\u00ed b\u1ed5 sung l\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb \u0111o th\u1eddi gian. \u0110\u1ec3 gi\u1ea3i quy\u1ebft b\u00e0i t\u1eadp n\u00e0y, b\u1ea1n c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 1: \u0110\u1eb7t t\u00ednh to\u00e1n v\u00e0 t\u00ednh to\u00e1n ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ph\u00e9p \u0111o th\u1eddi gian \u0111\u00e3 cho v\u00e0 th\u1ef1c hi\u1ec7n t\u01b0\u01a1ng t\u1ef1 c\u1ed9ng v\u1edbi t\u00ednh to\u00e1n c\u1ed9ng v\u1edbi vi\u1ec7c b\u1ed5 sung c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 2: Sau khi k\u1ebft qu\u1ea3 c\u00f3 s\u1eb5n, ch\u00fang t\u00f4i ph\u1ea3i th\u00eam ti\u1ec1n t\u1ed1 v\u00e0o \u0111\u01a1n v\u1ecb \u0111o th\u1eddi gian t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">* L\u01b0u \u00fd: N\u1ebfu ph\u00e9p \u0111o th\u1eddi gian t\u1ea1i m\u1ed9t \u0111\u01a1n v\u1ecb nh\u1ecf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn m\u1ed9t \u0111\u01a1n v\u1ecb l\u1edbn, th\u00ec ch\u00fang ta c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i thi\u1ebft b\u1ecb \u0111\u1ec3 d\u1ec5 d\u00e0ng th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: T\u00ednh to\u00e1n<\/em><\/p>\n<p dir=\"ltr\"><em>7 n\u0103m 9 th\u00e1ng + 5 n\u0103m 6 th\u00e1ng<\/em><\/p>\n<p dir=\"ltr\"><em>3 gi\u1edd 5 ph\u00fat + 6 gi\u1edd 32 ph\u00fat<\/em><\/p>\n<p dir=\"ltr\"><em>12 gi\u1edd 18 ph\u00fat + 8 gi\u1edd 12 ph\u00fat<\/em><\/p>\n<p dir=\"ltr\"><em>4 gi\u1edd 35 ph\u00fat + 8 gi\u1edd 42 ph\u00fat<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i ph\u00e1p:<\/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\/cong-so-do-thoi-gian-1.jpg\" alt=\"\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_bai_tap_thoi_gian_trong_sach_giao_khoa_mo_rong\"><\/span>M\u1ed9t s\u1ed1 b\u00e0i t\u1eadp th\u1eddi gian trong s\u00e1ch gi\u00e1o khoa + m\u1edf r\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Nh\u00ecn chung, gi\u1ea3i ph\u00e1p t\u00ednh to\u00e1n t\u00ednh to\u00e1n c\u00e1c ph\u00e9p \u0111o th\u1eddi gian kh\u00f4ng qu\u00e1 kh\u00f3. V\u00ec v\u1eady, \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp trong s\u00e1ch gi\u00e1o khoa v\u00e0 b\u00e0i t\u1eadp m\u1edf r\u1ed9ng \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\/cong-so-do-thoi-gian-2.jpg\" alt=\"Th\u1eddi gian t\u1eadp th\u1ec3 d\u1ee5c chung. (\u1ea2nh: T\u00f3m t\u1eaft)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bi_quyet_de_giup_tre_chinh_phuc_toan_hoc_cua_don_vi_de_do_thoi_gian_mot_cach_hieu_qua\"><\/span>B\u00ed quy\u1ebft \u0111\u1ec3 gi\u00fap tr\u1ebb chinh ph\u1ee5c to\u00e1n h\u1ecdc c\u1ee7a \u0111\u01a1n v\u1ecb \u0111\u1ec3 \u0111o th\u1eddi gian m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 gi\u00fap h\u1ecdc sinh hi\u1ec3u, d\u1ec5 d\u00e0ng chinh ph\u1ee5c lo\u1ea1i b\u00e0i t\u1eadp n\u00e0y khi gi\u1ea3i to\u00e1n, chu\u1ea9n b\u1ecb thi, m\u1ed9t s\u1ed1 b\u00ed m\u1eadt m\u00e0 kh\u1ec9 chia s\u1ebb s\u1ebd r\u1ea5t h\u1eefu \u00edch:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Xay_dung_mot_nen_tang_toan_hoc_vung_chac_cho_tre_em_tu_khi_con_nho_voi_toan_hoc_khi\"><\/span>X\u00e2y d\u1ef1ng m\u1ed9t n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc v\u1eefng ch\u1eafc cho tr\u1ebb em t\u1eeb khi c\u00f2n nh\u1ecf v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">V\u1edbi vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng, n\u00f3 s\u1ebd li\u00ean quan \u0111\u1ebfn r\u1ea5t nhi\u1ec1u ki\u1ebfn \u200b\u200bth\u1ee9c kh\u00e1c nhau trong su\u1ed1t qu\u00e1 tr\u00ecnh h\u1ecdc to\u00e1n c\u1ee7a tr\u1ebb. V\u00ec v\u1eady, \u0111\u1ec3 gi\u00fap em b\u00e9 c\u1ee7a b\u1ea1n t\u1ea1o v\u00e0 x\u00e2y d\u1ef1ng m\u1ed9t n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc v\u1eefng ch\u1eafc t\u1eeb khi c\u00f2n nh\u1ecf, cha m\u1eb9 c\u00f3 th\u1ec3 ngay l\u1eadp t\u1ee9c tham kh\u1ea3o \u1ee9ng d\u1ee5ng to\u00e1n h\u1ecdc kh\u1ec9.<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cong-so-do-thoi-gian-01.jpg\" alt=\"H\u1ecdc to\u00e1n to\u00e1n v\u1edbi to\u00e1n h\u1ecdc. (\u1ea2nh: Kh\u1ec9)\" width=\"800\" height=\"450\"><\/p>\n<p dir=\"ltr\">\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng to\u00e1n h\u1ecdc song ng\u1eef tr\u1ef1c tuy\u1ebfn \u0111\u01b0\u1ee3c h\u00e0ng tri\u1ec7u ph\u1ee5 huynh tin t\u01b0\u1edfng, v\u1edbi n\u1ed9i dung x\u00e2y d\u1ef1ng ch\u01b0\u01a1ng tr\u00ecnh gi\u00e1o d\u1ee5c m\u1edbi nh\u1ea5t c\u1ee7a B\u1ed9 d\u00e0nh ri\u00eang cho tr\u1ebb m\u1eabu gi\u00e1o v\u00e0 ti\u1ec3u h\u1ecdc.<\/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 l\u00e0 \u00e1p d\u1ee5ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3ng d\u1ea1y kh\u00e1c nhau, \u0111\u1ec3 h\u1ed7 tr\u1ee3 tr\u1ebb c\u00f3 \u0111\u01b0\u1ee3c ki\u1ebfn \u200b\u200bth\u1ee9c v\u00e0 t\u0103ng t\u01b0 duy to\u00e1n h\u1ecdc t\u1ed1t h\u01a1n. Bao g\u1ed3m:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u00c1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3ng d\u1ea1y t\u00edch c\u1ef1c: K\u00edch th\u00edch s\u1ef1 s\u00e1ng t\u1ea1o, tr\u1ebb em ch\u1ee7 \u0111\u1ed9ng \u0111\u1eb7t c\u00e2u h\u1ecfi \u0111\u1ec3 hi\u1ec3u g\u1ed1c r\u1ec5 c\u1ee7a v\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1ee3c \u0111\u01b0a ra trong to\u00e1n h\u1ecdc.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">H\u1ecdc th\u00f4ng qua tr\u00f2 ch\u01a1i: Ch\u01a1i v\u00e0 h\u1ecdc t\u1eadp nh\u01b0ng hi\u1ec7u qu\u1ea3. T\u00f4i quan t\u00e2m, t\u1ef1 nguy\u1ec7n h\u1ecdc m\u00e0 kh\u00f4ng c\u00f3 l\u1eddi nh\u1eafc c\u1ee7a cha m\u1eb9.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Nghi\u00ean c\u1ee9u v\u1edbi c\u00e1c b\u00e0i t\u1eadp b\u1ed5 sung: Gi\u00fap con b\u1ea1n ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 n\u0103ng v\u1eadn \u0111\u1ed9ng b\u00e1n v\u00e0 \u0111\u1ed9ng c\u01a1 th\u00f4 th\u00f4ng qua vi\u1ec7c gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 th\u1ef1c t\u1ebf.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">V\u1edbi h\u1ec7 th\u1ed1ng b\u00e0i h\u1ecdc l\u1edbn tr\u1ea3i r\u1ed9ng cho t\u1eebng ch\u1ee7 \u0111\u1ec1 to\u00e1n h\u1ecdc, v\u1ec1 h\u01a1n 60 ch\u1ee7 \u0111\u1ec1 kh\u00e1c nhau m\u00e0 h\u1ecd s\u1ebd h\u1ecdc \u1edf tr\u01b0\u1eddng m\u1eabu gi\u00e1o v\u00e0 tr\u01b0\u1eddng ti\u1ec3u h\u1ecdc. T\u1ea5t c\u1ea3 s\u1ebd \u0111\u01b0\u1ee3c d\u1ea1y d\u01b0\u1edbi d\u1ea1ng video, ho\u1ea1t h\u00ecnh h\u00e0i h\u01b0\u1edbc k\u1ebft h\u1ee3p v\u1edbi c\u00e1c tr\u00f2 ch\u01a1i t\u01b0\u01a1ng t\u00e1c. Do \u0111\u00f3 gi\u00fap tr\u1ebb ph\u00e1t tri\u1ec3n 5 n\u0103ng l\u1ef1c to\u00e1n h\u1ecdc theo ch\u01b0\u01a1ng tr\u00ecnh gi\u00e1o d\u1ee5c m\u1edbi v\u00e0 t\u1ea1o th\u00e0nh th\u00f3i quen t\u01b0 duy h\u1ee3p l\u00fd t\u1eeb khi c\u00f2n nh\u1ecf, h\u1ed7 tr\u1ee3 l\u1edbp h\u1ecdc trong l\u1edbp v\u00e0 x\u1eed l\u00fd t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf c\u1ee7a ch\u00fang hi\u1ec7u qu\u1ea3 h\u01a1n.<\/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\"> <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\/nhantuvanmienphi.png\" alt=\"\" width=\"200\" height=\"39\"><\/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=\"Hieu_bang_thoi_gian_va_cach_thay_doi_thoi_gian_chinh_xac\"><\/span>Hi\u1ec3u b\u1ea3ng th\u1eddi gian v\u00e0 c\u00e1ch thay \u0111\u1ed5i th\u1eddi gian ch\u00ednh x\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 to\u00e1n h\u1ecdc v\u1edbi c\u00e1c ph\u00e9p \u0111o th\u1eddi gian, n\u00f3 \u0111\u00f2i h\u1ecfi tr\u1ebb ph\u1ea3i th\u1ef1c s\u1ef1 hi\u1ec3u \u0111\u01a1n v\u1ecb \u0111o th\u1eddi gian, c\u0169ng nh\u01b0 c\u00e1ch ch\u00ednh x\u00e1c nh\u1ea5t \u0111\u1ec3 thay \u0111\u1ed5i \u0111\u01a1n v\u1ecb. B\u1edfi v\u00ec, n\u1ebfu t\u00ednh to\u00e1n kh\u00f4ng ph\u1ea3i l\u00e0 c\u00f9ng m\u1ed9t \u0111\u01a1n v\u1ecb, n\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 k\u1ebft qu\u1ea3 sai, c\u0169ng nh\u01b0 n\u1ebfu h\u1ecd kh\u00f4ng hi\u1ec3u \u0111\u01a1n v\u1ecb th\u1eddi gian c\u0169ng s\u1ebd kh\u00f3 chuy\u1ec3n \u0111\u1ed5i.<\/p>\n<p dir=\"ltr\">Do \u0111\u00f3, cha m\u1eb9 c\u1ea7n h\u01b0\u1edbng d\u1eabn h\u1ecd hi\u1ec3u b\u1ea3ng th\u1eddi gian v\u00e0 c\u00e1ch thay \u0111\u1ed5i th\u1eddi gian \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o con c\u00e1i gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i t\u1eadp m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Huong_dan_em_be_cua_ban_mot_so_ky_nang_de_tinh_toan_bo_sung\"><\/span>H\u01b0\u1edbng d\u1eabn em b\u00e9 c\u1ee7a b\u1ea1n m\u1ed9t s\u1ed1 k\u1ef9 n\u0103ng \u0111\u1ec3 t\u00ednh to\u00e1n b\u1ed5 sung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ngo\u00e0i c\u00e1c b\u01b0\u1edbc t\u00ednh to\u00e1n v\u00e0 t\u00ednh to\u00e1n trong vi\u1ec7c b\u1ed5 sung c\u00e1c ph\u00e9p \u0111o th\u1eddi gian, cha m\u1eb9 n\u00ean h\u01b0\u1edbng d\u1eabn em b\u00e9 m\u1ed9t s\u1ed1 t\u00ednh to\u00e1n t\u00ednh to\u00e1n \u0111\u1ec3 h\u1ed7 tr\u1ee3 t\u00ednh to\u00e1n nhanh h\u01a1n v\u00e0 ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00e1ch s\u1ed1 \u0111\u1ec3 th\u00eam v\u00e0o m\u1ed7i 10, 100 &#8230; \u0111\u01a1n v\u1ecb t\u01b0\u01a1ng \u1ee9ng. V\u00ed d\u1ee5:<em> 68 + 31 = 68 + 10 + 10 + 10 + 1 = 78 + 10 + 10 + 1 = 88 + 10 + 1 = 98 + 1 = 99.<\/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\/cong-so-do-thoi-gian-4.jpg\" alt=\"D\u1ea1y cho b\u00e9 m\u1ed9t s\u1ed1 c\u00e1ch \u0111\u1ec3 t\u00ednh to\u00e1n nhanh ch\u00f3ng. (\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_thuong_xuyen\"><\/span>Th\u1ef1c h\u00e0nh th\u1ef1c h\u00e0nh th\u01b0\u1eddng xuy\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 gi\u00fap tr\u00e1nh t\u00ecnh h\u00ecnh &#8220;h\u1ecdc tr\u01b0\u1edbc v\u00e0 sau&#8221;, cha m\u1eb9 n\u00ean khuy\u1ebfn kh\u00edch v\u00e0 y\u00eau c\u1ea7u con c\u00e1i h\u1ecd th\u1ef1c h\u00e0nh v\u00e0 th\u1ef1c h\u00e0nh th\u01b0\u1eddng xuy\u00ean h\u01a1n. Vi\u1ec7c th\u1ef1c h\u00e0nh \u1edf \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 b\u00e0i t\u1eadp v\u1ec1 nh\u00e0 \u0111\u01b0\u1ee3c giao, b\u00e0i t\u1eadp to\u00e1n h\u1ecdc trong s\u00e1ch gi\u00e1o khoa, b\u00e0i t\u1eadp, t\u00ecm hi\u1ec3u th\u00eam ki\u1ebfn \u200b\u200bth\u1ee9c m\u1edbi tr\u00ean internet, \u1ee9ng d\u1ee5ng to\u00e1n h\u1ecdc th\u1ef1c t\u1ebf, tr\u00f2 ch\u01a1i &#8230;<\/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 s\u1ef1 chia s\u1ebb ki\u1ebfn \u200b\u200bth\u1ee9c c\u1ee7a c\u00e1c ph\u00e9p \u0111o th\u1eddi gian. 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 kh\u00e1 c\u01a1 b\u1ea3n, nh\u01b0ng th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong c\u00e1c c\u00e2u h\u1ecfi v\u00e0 \u1ee9ng d\u1ee5ng thi trong th\u1ef1c t\u1ebf. Do \u0111\u00f3, cha m\u1eb9 n\u00ean \u0111i c\u00f9ng em b\u00e9 \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn con c\u00e1i chinh ph\u1ee5c h\u00ecnh th\u1ee9c to\u00e1n h\u1ecdc n\u00e0y \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>Th\u00eam c\u00e1c ph\u00e9p \u0111o th\u1eddi gian l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i b\u00e0i t\u1eadp v\u1ec1 c\u00e1c b\u1ea3ng th\u1eddi gian m\u00e0 h\u1ecd s\u1ebd h\u1ecdc, l\u00e0m quen v\u00e0 chinh ph\u1ee5c. V\u00ec v\u1eady, n\u1ebfu ph\u1ee5 huynh ho\u1eb7c h\u1ecdc sinh c\u1ea7n t\u00e0i li\u1ec7u \u0111\u1ec3 nghi\u00ean c\u1ee9u, h\u00e3y gi\u1ea3i quy\u1ebft b\u00e0i t\u1eadp n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, con kh\u1ec9 n\u1ed9i dung&#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-14929","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14929","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=14929"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14929\/revisions"}],"predecessor-version":[{"id":18068,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14929\/revisions\/18068"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=14929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=14929"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=14929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}