{"id":14230,"date":"2025-06-07T07:49:54","date_gmt":"2025-06-07T00:49:54","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=14230"},"modified":"2025-07-04T09:15:04","modified_gmt":"2025-07-04T02:15:04","slug":"tinh-gia-tri-bieu-thuc-lop-5-quy-tac-dang-toan-va-bai-tap-tu-luyen","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/tinh-gia-tri-bieu-thuc-lop-5-quy-tac-dang-toan-va-bai-tap-tu-luyen\/","title":{"rendered":"T\u00ednh gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ee9c l\u1edbp 5: Quy t\u1eafc, d\u1ea1ng to\u00e1n v\u00e0 b\u00e0i t\u1eadp t\u1ef1 luy\u1ec7n"},"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\/tinh-gia-tri-bieu-thuc-lop-5-quy-tac-dang-toan-va-bai-tap-tu-luyen\/#Gia_tri_cua_bieu_thuc_la_gi\" >Gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c 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\/tinh-gia-tri-bieu-thuc-lop-5-quy-tac-dang-toan-va-bai-tap-tu-luyen\/#Quy_tac_tinh_toan_gia_tri_cua_bieu_thuc_lop_5\" >Quy t\u1eafc t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u1edbp 5<\/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\/tinh-gia-tri-bieu-thuc-lop-5-quy-tac-dang-toan-va-bai-tap-tu-luyen\/#Cac_loai_bai_tap_toan_tinh_toan_gia_tri_cua_bieu_thuc_cap_5\" >C\u00e1c lo\u1ea1i b\u00e0i t\u1eadp to\u00e1n t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c c\u1ea5p 5<\/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\/tinh-gia-tri-bieu-thuc-lop-5-quy-tac-dang-toan-va-bai-tap-tu-luyen\/#Mau_1_Tinh_gia_tri_cua_bieu_thuc_so_tu_nhien\" >M\u1eabu 1: T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c s\u1ed1 t\u1ef1 nhi\u00ean<\/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\/tinh-gia-tri-bieu-thuc-lop-5-quy-tac-dang-toan-va-bai-tap-tu-luyen\/#Mau_2_Tinh_gia_tri_cua_bieu_thuc_voi_phan_so\" >M\u1eabu 2: T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c v\u1edbi 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-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/tinh-gia-tri-bieu-thuc-lop-5-quy-tac-dang-toan-va-bai-tap-tu-luyen\/#Mau_3_Tinh_gia_tri_bieu_thuc_voi_so_thap_phan\" >M\u1eabu 3: T\u00ednh gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ee9c v\u1edbi s\u1ed1 th\u1eadp ph\u00e2n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/tinh-gia-tri-bieu-thuc-lop-5-quy-tac-dang-toan-va-bai-tap-tu-luyen\/#Tom_tat_cac_bai_tap_Tinh_toan_gia_tri_cua_bieu_thuc_Lop_5_voi_cau_tra_loi\" >T\u00f3m t\u1eaft c\u00e1c b\u00e0i t\u1eadp T\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c L\u1edbp 5 (v\u1edbi c\u00e2u tr\u1ea3 l\u1eddi)<\/a><\/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\/tinh-gia-tri-bieu-thuc-lop-5-quy-tac-dang-toan-va-bai-tap-tu-luyen\/#Meo_de_ban_day_tre_hoc_toan_mot_cach_hieu_qua\" >M\u1eb9o \u0111\u1ec3 b\u1ea1n d\u1ea1y tr\u1ebb h\u1ecdc to\u00e1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>Trong giai \u0111o\u1ea1n c\u01a1 b\u1ea3n, kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n v\u00e0 hi\u1ec3u c\u00e1c bi\u1ec3u th\u1ee9c to\u00e1n h\u1ecdc c\u01a1 b\u1ea3n \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ph\u00e1t tri\u1ec3n t\u01b0 duy logic c\u1ee7a h\u1ecdc sinh. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd \u0111i v\u00e0o kh\u00e1i ni\u1ec7m &#8220;t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u1edbp 5&#8221; v\u00e0 cung c\u1ea5p c\u00e1c quy t\u1eafc quan tr\u1ecdng \u0111\u1ec3 th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3. Kh\u00e1m ph\u00e1 ngay b\u00e2y gi\u1edd!<\/p>\n<p>                        Xem t\u1ea5t c\u1ea3<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Gia_tri_cua_bieu_thuc_la_gi\"><\/span>Gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Bi\u1ec3u th\u1ee9c l\u00e0 g\u00ec? Bi\u1ec3u th\u1ee9c l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 s\u1ed1 h\u1ecdc (k\u1ef9 thu\u1eadt s\u1ed1), to\u00e1n t\u1eed (t\u00ednh to\u00e1n), c\u00e1c bi\u1ebfn v\u00e0 c\u00e1c k\u00fd hi\u1ec7u kh\u00e1c \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo m\u1ed9t th\u1ee9 t\u1ef1 nh\u1ea5t \u0111\u1ecbnh. Bi\u1ec3u th\u1ee9c c\u00f3 th\u1ec3 bi\u1ec3u th\u1ecb m\u1ed9t t\u00ednh to\u00e1n ho\u1eb7c m\u00f4 t\u1ea3 v\u1ec1 m\u1ed9t quy tr\u00ecnh t\u1ee9c th\u1eddi, th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn t\u00ednh to\u00e1n ho\u1eb7c th\u1ec3 hi\u1ec7n m\u1ed9t \u00fd ngh\u0129a c\u1ee5 th\u1ec3.<\/p>\n<p dir=\"ltr\">Gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u00e0 g\u00ec? Gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c t\u00ednh to\u00e1n sau khi th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng trong bi\u1ec3u th\u1ee9c. \u0110\u1ec3 t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c, b\u1ea1n th\u01b0\u1eddng th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc t\u00ednh to\u00e1n theo th\u1ee9 t\u1ef1 \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong bi\u1ec3u th\u1ee9c. C\u00e1c t\u00ednh to\u00e1n c\u00f3 th\u1ec3 bao g\u1ed3m c\u1ed9ng, ph\u00e9p tr\u1eeb, nh\u00e2n, chia v\u00e0 c\u00e1c t\u00ednh to\u00e1n kh\u00e1c t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i bi\u1ec3u th\u1ee9c.<\/p>\n<p dir=\"ltr\"><\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: bi\u1ec3u th\u1ee9c &#8220;3 + 5&#8221; bao g\u1ed3m s\u1ed1 3, c\u1ed9ng v\u1edbi to\u00e1n t\u1eed v\u00e0 5. Gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c n\u00e0y l\u00e0 8, \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n b\u1ed5 sung gi\u1eefa hai s\u1ed1.<\/p>\n<p dir=\"ltr\">N\u00f3i t\u00f3m l\u1ea1i, bi\u1ec3u th\u1ee9c l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n s\u1ed1 h\u1ecdc v\u00e0 to\u00e1n h\u1ecdc, v\u00e0 gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u00e0 k\u1ebft qu\u1ea3 sau khi th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n trong bi\u1ec3u th\u1ee9c \u0111\u00f3.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Quy_tac_tinh_toan_gia_tri_cua_bieu_thuc_lop_5\"><\/span>Quy t\u1eafc t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u1edbp 5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n trong bi\u1ec3u th\u1ee9c to\u00e1n h\u1ecdc:<\/p>\n<p dir=\"ltr\">Quy t\u1eafc 1: Th\u1ef1c hi\u1ec7n t\u1eeb tr\u00e1i sang ph\u1ea3i khi ch\u1ec9 nh\u00e2n v\u00e0 chia ho\u1eb7c tr\u1eeb v\u00e0 c\u1ed9ng.<\/p>\n<p dir=\"ltr\">Trong tr\u01b0\u1eddng h\u1ee3p bi\u1ec3u th\u1ee9c ch\u1ec9 ch\u1ee9a ph\u00e9p nh\u00e2n, chia ho\u1eb7c ch\u1ec9 ch\u1ee9a ph\u00e9p tr\u1eeb, b\u1ed5 sung, ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n theo th\u1ee9 t\u1ef1 t\u1eeb tr\u00e1i sang ph\u1ea3i.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: 75827 + 6823 &#8211; 9164 = 82650 &#8211; 9164 = 73486<\/p>\n<p dir=\"ltr\">Quy t\u1eafc 2: \u01afu ti\u00ean \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n trong ngo\u1eb7c \u0111\u01a1n.<\/p>\n<p dir=\"ltr\">N\u1ebfu bi\u1ec3u th\u1ee9c ch\u1ee9a d\u1ea5u ngo\u1eb7c \u0111\u01a1n, ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n trong d\u1ea5u ngo\u1eb7c \u0111\u01a1n tr\u01b0\u1edbc. \u01afu ti\u00ean \u0111\u01b0\u1ee3c \u0111\u01b0a ra \u0111\u1ec3 t\u00ednh to\u00e1n trong ngo\u1eb7c (&#8230;), sau \u0111\u00f3 d\u1ea5u ngo\u1eb7c vu\u00f4ng [&#8230;]v\u00e0 cu\u1ed1i c\u00f9ng ni\u1ec1ng r\u0103ng {&#8230;}.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: 25 x (63: 3 + 24 x 5) = 25 x (21 + 120) = 25 x 141 = 3525<\/p>\n<p dir=\"ltr\">Quy t\u1eafc 3: \u01afu ti\u00ean ph\u00e9p nh\u00e2n v\u00e0 ph\u00e2n chia tr\u01b0\u1edbc, sau \u0111\u00f3 l\u00e0 tr\u1eeb v\u00e0 b\u1ed5 sung.<\/p>\n<p dir=\"ltr\">N\u1ebfu bi\u1ec3u th\u1ee9c bao g\u1ed3m c\u1ea3 ph\u00e9p nh\u00e2n, chia, b\u1ed5 sung v\u00e0 tr\u1eeb, ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n ph\u00e9p nh\u00e2n v\u00e0 ph\u00e2n chia tr\u01b0\u1edbc, sau \u0111\u00f3 \u0111\u1ec3 tr\u1eeb v\u00e0 b\u1ed5 sung.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: 297 x 3 &#8211; 84: 2 = 891 &#8211; 42 = 849<\/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-tinh-gia-tri-bieu-thuc-lop-5.png\" alt=\"Quy t\u1eafc t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c bi\u1ec3u th\u1ee9c l\u1edbp 5. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">T\u00f3m l\u1ea1i, c\u00e1c quy t\u1eafc t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ee9c trong L\u1edbp 5 bao g\u1ed3m vi\u1ec7c tu\u00e2n th\u1ee7 m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean c\u1ee7a c\u00e1c t\u00ednh to\u00e1n v\u00e0 vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n theo \u0111\u00fang th\u1ee9 t\u1ef1 t\u1eeb tr\u00e1i sang ph\u1ea3i v\u00e0 t\u1eeb d\u1ea5u ngo\u1eb7c \u0111\u01a1n.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_loai_bai_tap_toan_tinh_toan_gia_tri_cua_bieu_thuc_cap_5\"><\/span>C\u00e1c lo\u1ea1i b\u00e0i t\u1eadp to\u00e1n t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c c\u1ea5p 5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i b\u00e0i t\u1eadp to\u00e1n t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u1edbp 5 ph\u1ed5 bi\u1ebfn trong ch\u01b0\u01a1ng tr\u00ecnh gi\u1ea3ng d\u1ea1y chung.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_1_Tinh_gia_tri_cua_bieu_thuc_so_tu_nhien\"><\/span>M\u1eabu 1: T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c s\u1ed1 t\u1ef1 nhi\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c s\u1ed1 t\u1ef1 nhi\u00ean, ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n trong bi\u1ec3u th\u1ee9c theo c\u00e1c quy t\u1eafc v\u00e0 thay th\u1ebf c\u00e1c s\u1ed1 ho\u1eb7c bi\u1ebfn trong bi\u1ec3u th\u1ee9c b\u1eb1ng gi\u00e1 tr\u1ecb t\u01b0\u01a1ng \u1ee9ng c\u1ee7a ch\u00fang.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: 4 \u00d7 (7+3) \u221215: 5<\/p>\n<p dir=\"ltr\">Ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n theo c\u00e1c b\u01b0\u1edbc:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00ednh to\u00e1n trong ngo\u1eb7c \u0111\u01a1n: 7+3 = 10.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00ednh to\u00e1n nh\u00e2n v\u00e0 chia: 15: 5 = 3.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00ednh to\u00e1n nh\u00e2n: 4 \u00d7 10 = 40.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00ednh to\u00e1n kh\u1ea5u tr\u1eeb: 40\u22123 = 37.<\/p>\n<\/li>\n<\/ol>\n<p dir=\"ltr\">V\u00ec v\u1eady, gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u00e0 37.<\/p>\n<p dir=\"ltr\">\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_2_Tinh_gia_tri_cua_bieu_thuc_voi_phan_so\"><\/span>M\u1eabu 2: T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c v\u1edbi ph\u00e2n s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi bi\u1ec3u th\u1ee9c ch\u1ee9a c\u00e1c ph\u00e2n s\u1ed1, ch\u00fang ta c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n v\u1edbi c\u00e1c ph\u00e2n s\u1ed1 theo th\u1ee9 t\u1ef1 \u01b0u ti\u00ean v\u00e0 th\u1ef1c hi\u1ec7n b\u1ed5 sung, tr\u1eeb, nh\u00e2n v\u00e0 chia theo c\u00e1c quy t\u1eafc c\u1ee7a ph\u00e2n s\u1ed1.<\/p>\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\/3-tinh-gia-tri-bieu-thuc-lop-5.png\" alt=\"\" width=\"72\" height=\"27\">\u200b<\/p>\n<p dir=\"ltr\">Ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n theo c\u00e1c b\u01b0\u1edbc:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00ednh to\u00e1n nh\u00e2n v\u1edbi ph\u00e2n s\u1ed1: <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/4-tinh-gia-tri-bieu-thuc-lop-5.png\" alt=\"\" width=\"76\" height=\"27\"><\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">R\u00fat ng\u1eafn ph\u00e2n s\u1ed1: <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/5-tinh-gia-tri-bieu-thuc-lop-5.png\" alt=\"\" width=\"58\" height=\"27\"><\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u1ed5 sung ph\u00e2n s\u1ed1: <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/6-tinh-gia-tri-bieu-thuc-lop-5.png\" alt=\"\" width=\"168\" height=\"27\"><\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">R\u00fat ng\u1eafn ph\u00e2n s\u1ed1: <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/6.1-tinh-gia-tri-bieu-thuc-lop-5.png\" alt=\"\" width=\"52\" height=\"27\"><\/p>\n<\/li>\n<\/ol>\n<p dir=\"ltr\">V\u00ec v\u1eady, gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u00e0 4\/5.<\/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\/7-tinh-gia-tri-bieu-thuc-lop-5.png\" alt=\"C\u00e1c lo\u1ea1i b\u00e0i t\u1eadp trong t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u1edbp 5. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_3_Tinh_gia_tri_bieu_thuc_voi_so_thap_phan\"><\/span>M\u1eabu 3: T\u00ednh gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ee9c v\u1edbi s\u1ed1 th\u1eadp ph\u00e2n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi bi\u1ec3u th\u1ee9c ch\u1ee9a c\u00e1c s\u1ed1 th\u1eadp ph\u00e2n, ch\u00fang t\u00f4i c\u0169ng th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n theo th\u1ee9 t\u1ef1 \u01b0u ti\u00ean v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc t\u00ednh to\u00e1n v\u1edbi c\u00e1c s\u1ed1 th\u1eadp ph\u00e2n. <\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: 2,5 + 1,75 \u00d7 0.4<\/p>\n<p dir=\"ltr\">Ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n theo c\u00e1c b\u01b0\u1edbc:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00ednh to\u00e1n nh\u00e2n v\u1edbi th\u1eadp ph\u00e2n: 1,75 \u00d7 0,4 = 0,7<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00ednh to\u00e1n b\u1ed5 sung th\u1eadp ph\u00e2n: 2,5 + 0,7 = 3,2.<\/p>\n<\/li>\n<\/ol>\n<p dir=\"ltr\">V\u00ec v\u1eady, gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u00e0 3.2.<\/p>\n<table style=\"border-collapse: collapse;width: 100.01%;background-color: #fbeeb8\" border=\"1\">\n<tr>\n<td style=\"width: 98.5932%\">\n<p style=\"text-align: center\">\u0110\u1eebng b\u1ecf l\u1ee1 !!<\/p>\n<p style=\"text-align: center\">Ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n h\u1ecdc b\u1eb1ng ti\u1ebfng Anh, gi\u00fap ph\u00e1t tri\u1ec3n t\u01b0 duy theo c\u00e1ch to\u00e0n di\u1ec7n nh\u1ea5t.<\/p>\n<p style=\"text-align: center\">Nh\u1eadn t\u1ed1i \u0111a 40% \u01b0u \u0111\u00e3i ngay t\u1ea1i \u0111\u00e2y!<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\/taimienphiMM.png\" width=\"185\"><\/p>\n<\/td>\n<\/tr>\n<\/table>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tom_tat_cac_bai_tap_Tinh_toan_gia_tri_cua_bieu_thuc_Lop_5_voi_cau_tra_loi\"><\/span>T\u00f3m t\u1eaft c\u00e1c b\u00e0i t\u1eadp T\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c L\u1edbp 5 (v\u1edbi c\u00e2u tr\u1ea3 l\u1eddi)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">B\u00e0i 1: T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c: 42 + 15 &#8211; 8<\/p>\n<p dir=\"ltr\">B\u00e0i 2: T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c: 72 \u00d7 4 + 25<\/p>\n<p dir=\"ltr\">B\u00e0i 3: T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c: 150: 5 + 12 \u00d7 3<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 4: T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c: 1\/3 + 2\/5<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 5: T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c: 2\/9 x 5\/6<\/p>\n<p dir=\"ltr\">B\u00e0i 6: T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c: 2,5 + 1,3 \u00d7 0.4<\/p>\n<p dir=\"ltr\">B\u00e0i 7: T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c: 3,6 &#8211; 1.2: 0.3<\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi:<\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">49<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">329<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">54<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">11\/15<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">29\/5<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">3.02<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">0,4<\/p>\n<\/li>\n<\/ol>\n<p>Xem th\u00eam:<\/p>\n<ol>\n<li>Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math &#8211; \u1ee8ng d\u1ee5ng to\u00e1n h\u1ecdc b\u1eb1ng ti\u1ebfng Anh s\u1ed1 1 cho tr\u1ebb m\u1eabu gi\u00e1o &amp; tr\u01b0\u1eddng ti\u1ec3u h\u1ecdc<\/li>\n<li>H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1ch t\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c bi\u1ec3u th\u1ee9c v\u00e0 b\u00e0i t\u1eadp t\u1eadp th\u1ec3 d\u1ee5c<\/li>\n<\/ol>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/8-tinh-gia-tri-bieu-thuc-lop-5.png\" alt=\"B\u00e0i t\u1eadp t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u1edbp 5. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Meo_de_ban_day_tre_hoc_toan_mot_cach_hieu_qua\"><\/span>M\u1eb9o \u0111\u1ec3 b\u1ea1n d\u1ea1y tr\u1ebb h\u1ecdc to\u00e1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">D\u1ea1y tr\u1ebb h\u1ecdc to\u00e1n s\u1ebd hi\u1ec7u qu\u1ea3 h\u01a1n khi \u00e1p d\u1ee5ng m\u1ed9t s\u1ed1 l\u1eddi khuy\u00ean th\u00fa v\u1ecb sau \u0111\u00e2y:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u1ea1o m\u1ed9t m\u00f4i tr\u01b0\u1eddng t\u00edch c\u1ef1c: T\u1ea1o m\u1ed9t m\u00f4i tr\u01b0\u1eddng h\u1ecdc t\u1eadp t\u00edch c\u1ef1c v\u00e0 tho\u1ea3i m\u00e1i. \u0110\u1ed3ng th\u1eddi, khuy\u1ebfn kh\u00edch s\u1ef1 t\u00f2 m\u00f2 v\u00e0 t\u01b0 duy s\u00e1ng t\u1ea1o c\u1ee7a tr\u1ebb em b\u1eb1ng c\u00e1ch t\u1ea1o ra nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u00fa v\u1ecb v\u00e0 th\u1ef1c t\u1ebf.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1eed d\u1ee5ng tr\u00f2 ch\u01a1i: S\u1eed d\u1ee5ng c\u00e1c tr\u00f2 ch\u01a1i ho\u1eb7c c\u00e1c ho\u1ea1t \u0111\u1ed9ng th\u00fa v\u1ecb kh\u00e1c \u0111\u1ec3 gi\u00fap tr\u1ebb c\u1ea3m th\u1ea5y quan t\u00e2m \u0111\u1ebfn to\u00e1n h\u1ecdc. B\u00ean c\u1ea1nh \u0111\u00f3, tr\u00f2 ch\u01a1i c\u0169ng gi\u00fap t\u0103ng c\u01b0\u1eddng ki\u1ebfn \u200b\u200bth\u1ee9c v\u00e0 k\u1ef9 n\u0103ng to\u00e1n h\u1ecdc c\u1ee7a tr\u1ebb em m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean v\u00e0 h\u1ea1nh ph\u00fac.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u00c1p d\u1ee5ng trong th\u1ef1c t\u1ebf: Gi\u00fap tr\u1ebb em th\u1ea5y r\u1eb1ng c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u1ed3n t\u1ea1i xung quanh cu\u1ed9c s\u1ed1ng c\u1ee7a con c\u00e1i h\u1ecd. Li\u00ean k\u1ebft ki\u1ebfn \u200b\u200bth\u1ee9c to\u00e1n h\u1ecdc v\u1edbi \u0111o l\u01b0\u1eddng, t\u00ednh to\u00e1n, n\u1ea5u \u0103n, s\u1eafp x\u1ebfp, tr\u00f2 ch\u01a1i, &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Chia v\u1ea5n \u0111\u1ec1: Vui l\u00f2ng chia v\u1ea5n \u0111\u1ec1 l\u1edbn th\u00e0nh c\u00e1c b\u01b0\u1edbc nh\u1ecf h\u01a1n, \u0111i\u1ec1u n\u00e0y gi\u00fap tr\u1ebb bi\u1ebft c\u00e1ch t\u00e1ch bi\u1ec7t v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00f3 kh\u0103n m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng v\u00e0 c\u00f3 h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khen ng\u1ee3i v\u00e0 khuy\u1ebfn kh\u00edch: Khi tr\u1ebb ho\u00e0n th\u00e0nh m\u1ed9t v\u1ea5n \u0111\u1ec1 ho\u1eb7c h\u1ecdc m\u1ed9t ki\u1ebfn \u200b\u200bth\u1ee9c to\u00e1n h\u1ecdc m\u1edbi, khen ng\u1ee3i v\u00e0 khuy\u1ebfn kh\u00edch ch\u00fang. \u0110i\u1ec1u n\u00e0y gi\u00fap x\u00e2y d\u1ef1ng s\u1ef1 t\u1ef1 tin v\u00e0 \u0111am m\u00ea cho ch\u1ee7 \u0111\u1ec1 n\u00e0y \u1edf tr\u1ebb em.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m to\u00e1n h\u1ecdc: Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng to\u00e1n h\u1ecdc \u0111ang \u0111\u01b0\u1ee3c ph\u1ee5 huynh ch\u1ecdn, b\u1edfi v\u00ec ph\u1ea7n m\u1ec1m kh\u00f4ng ch\u1ec9 gi\u00fap x\u00e2y d\u1ef1ng c\u00e1c n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc m\u00e0 c\u00f2n h\u1ed7 tr\u1ee3 nghi\u00ean c\u1ee9u l\u1edbp hi\u1ec7u qu\u1ea3 v\u00ec n\u1ed9i dung b\u00e0i h\u1ecdc k\u1ebft th\u00fac ch\u01b0\u01a1ng tr\u00ecnh chung m\u1edbi (2018). Ngo\u00e0i ra, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math c\u0169ng gi\u00fap tr\u1ebb ph\u00e1t tri\u1ec3n t\u01b0 duy v\u00e0 t\u0103ng c\u01b0\u1eddng tr\u00ed th\u00f4ng minh trong giai \u0111o\u1ea1n v\u00e0ng c\u1ee7a s\u1ef1 ph\u00e1t tri\u1ec3n n\u00e3o v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p gi\u00e1o d\u1ee5c hi\u1ec7n \u0111\u1ea1i.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u0110\u0103ng k\u00fd t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n ngay t\u1ea1i \u0111\u00e2y \u0111\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c gi\u1ea3m gi\u00e1 t\u1edbi 40% v\u00e0 t\u00e0i li\u1ec7u h\u1ecdc t\u1eadp mi\u1ec5n ph\u00ed!<\/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\/9-tinh-gia-tri-bieu-thuc-lop-5.jpg\" alt=\"Shining Home - Gia \u0111\u00ecnh Anh Ng\u1eef Math - \u1ee8ng d\u1ee5ng to\u00e1n h\u1ecdc b\u1eb1ng ti\u1ebfng Anh s\u1ed1 1 cho tr\u1ebb m\u1eabu gi\u00e1o &amp; tr\u1ebb em ti\u1ec3u h\u1ecdc. (\u1ea2nh: Kh\u1ec9)\" width=\"100%\"><\/p>\n<\/p>\n<p dir=\"ltr\">Hy v\u1ecdng r\u1eb1ng ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 vi\u1ec7c t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ee9c l\u1edbp 5 \u0111\u01b0\u1ee3c chia s\u1ebb \u1edf tr\u00ean l\u00e0 h\u1eefu \u00edch cho b\u1ea1n. Vui l\u00f2ng l\u01b0u b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 tham kh\u1ea3o khi c\u1ea7n thi\u1ebft!<\/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>Trong giai \u0111o\u1ea1n c\u01a1 b\u1ea3n, kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n v\u00e0 hi\u1ec3u c\u00e1c bi\u1ec3u th\u1ee9c to\u00e1n h\u1ecdc c\u01a1 b\u1ea3n \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ph\u00e1t tri\u1ec3n t\u01b0 duy logic c\u1ee7a h\u1ecdc sinh. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd \u0111i v\u00e0o kh\u00e1i ni\u1ec7m &#8220;t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c l\u1edbp 5&#8221; v\u00e0&#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-14230","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14230","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=14230"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14230\/revisions"}],"predecessor-version":[{"id":17005,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14230\/revisions\/17005"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=14230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=14230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=14230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}