{"id":10048,"date":"2019-10-07T07:56:25","date_gmt":"2019-10-07T07:56:25","guid":{"rendered":"https:\/\/kynaforkids.vn\/blog\/?p=10048"},"modified":"2020-11-03T15:09:06","modified_gmt":"2020-11-03T08:09:06","slug":"cach-hoc-ban-tinh-giup-be-lam-toan-cuc-sieu-va-phat-trien-tu-duy-logic","status":"publish","type":"post","link":"https:\/\/kynaforkids.vn\/blog\/cach-hoc-ban-tinh-giup-be-lam-toan-cuc-sieu-va-phat-trien-tu-duy-logic.html","title":{"rendered":"C\u00e1ch h\u1ecdc b\u00e0n t\u00ednh gi\u00fap b\u00e9 l\u00e0m to\u00e1n c\u1ef1c si\u00eau v\u00e0 ph\u00e1t tri\u1ec3n t\u01b0 duy logic nhanh nh\u1ea1y"},"content":{"rendered":"

C\u00e1ch h\u1ecdc b\u00e0n t\u00ednh<\/strong> \u0111\u1ec3 l\u00e0m to\u00e1n \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u cha m\u1eb9 quan t\u00e2m. Thay v\u00ec s\u1eed d\u1ee5ng que t\u00ednh, vi\u00ean bi\u2026 \u0111\u1ec3 t\u00ednh ra ph\u00e9p s\u1ed1 th\u00ec vi\u1ec7c cho b\u00e9 s\u1eed d\u1ee5ng b\u00e0n t\u00ednh soroban<\/a><\/strong> l\u00e0 l\u1ef1a ch\u1ecdn s\u00e1ng su\u1ed1t.<\/p>\n

T\u00ecm hi\u1ec3u v\u1ec1 b\u00e0n t\u00ednh Soroban<\/span><\/h2>\n

B\u00e0n t\u00ednh soroban<\/strong> l\u00e0 lo\u1ea1i b\u00e0n t\u00ednh \u0111\u01b0\u1ee3c ng\u01b0\u1eddi Trung Qu\u1ed1c ph\u00e1t minh t\u1eeb th\u1ebf k\u1ec9 13-14. Sau \u0111\u00f3 qua th\u01b0\u01a1ng l\u00e1i, mua b\u00e1n, chi\u1ebfc b\u00e0n t\u00ednh n\u00e0y du nh\u1eadp v\u00e0o Nh\u1eadt kho\u1ea3ng th\u1ebf k\u1ec9 th\u1ee9 16.<\/p>\n

Ban \u0111\u1ea7u chi\u1ebfc b\u00e0n t\u00ednh n\u00e0y ch\u1ec9 v\u1edbi c\u1ea5u tr\u00fac g\u1ed3m 2 h\u1ea1t \u1edf tr\u00ean v\u00e0 5 h\u1ea1t \u1edf d\u01b0\u1edbi. Nh\u01b0ng khi ti\u1ebfp nh\u1eadn v\u00e0 k\u1ebf th\u1eeba th\u00ec ng\u01b0\u1eddi Nh\u1eadt \u0111\u00e3 c\u00e1ch t\u00e2n th\u00e0nh chi\u1ebfc b\u00e0n t\u00ednh v\u1edbi c\u1ea5u tr\u00fac m\u1ed9t h\u1ea1t \u1edf tr\u00ean t\u01b0\u1ee3ng tr\u01b0ng cho tr\u1eddi v\u00e0 b\u1ed1n h\u1ea1t \u1edf d\u01b0\u1edbi t\u01b0\u1ee3ng tr\u01b0ng cho \u0111\u1ea5t.<\/p>\n

\"C\u00e1ch
B\u00e0n t\u00ednh Soroban b\u1eaft ngu\u1ed3n t\u1eeb Trung Qu\u1ed1c<\/figcaption><\/figure>\n

Hi\u1ec7n nay th\u00f4ng th\u01b0\u1eddng c\u1ea5u t\u1ea1o c\u1ee7a m\u1ed9t chi\u1ebfc b\u00e0n t\u00ednh g\u1ed3m c\u00f3 m\u1ed9t thanh \u1edf gi\u1eefa ph\u00e2n chia ra hai ph\u1ea7n. V\u00e0 th\u00f4ng th\u01b0\u1eddng c\u00f3 10 c\u1ed9t hay c\u00f2n g\u1ecdi l\u00e0 gi\u00f3ng. C\u00e1c nh\u00e0 bu\u00f4n th\u00ec h\u1ecd th\u01b0\u1eddng x\u00e0i lo\u1ea1i nhi\u1ec1u gi\u00f3ng h\u01a1n. Gi\u00f3ng \u1edf \u0111\u00e2y l\u00e0 m\u1ed9t que tre v\u00f3t tr\u00f2n xi\u00ean 5 h\u1ea1t g\u1ed5 ho\u1eb7c h\u1ea1t nh\u1ef1a (c\u00f3 khi nh\u1eefng nh\u00e0 bu\u00f4n h\u1ecd c\u00f2n cho l\u00e0m b\u1eb1ng x\u01b0\u01a1ng ho\u1eb7c ng\u00e0 voi<\/strong>) 5 h\u1ea1t n\u00e0y \u0111\u01b0\u1ee3c chia tr\u00ean thanh ph\u00e2n chia 4 h\u1ea1t, m\u1ed7i h\u1ea1t l\u00e0 1 \u0111\u01a1n v\u1ecb v\u00e0 m\u1ed9t h\u1ea1t b\u00ean d\u01b0\u1edbi l\u00e0 5 \u0111\u01a1n v\u1ecb. T\u00ednh t\u1eeb ph\u1ea3i qua tr\u00e1i th\u00ec c\u00e1c gi\u00f3ng g\u1ed3n c\u00f3 \u0111\u00f3 l\u00e0 b\u00e1ch ph\u00e2n, th\u1eadp ph\u00e2n, \u0111\u01a1n v\u1ecb, ch\u1ee5c , tr\u0103m, ng\u00e0n, v\u1ea1n….<\/p>\n

C\u00e1ch h\u1ecdc b\u00e0n t\u00ednh Soroban nh\u01b0 sau:<\/strong><\/span><\/h2>\n

Ban \u0111\u1ea7u \u0111\u01b0a h\u1ebft c\u00e1c h\u1ea1t l\u00ean tr\u00ean, h\u1ea1t d\u01b0\u1edbi \u0111\u01b0a h\u1ebft xu\u1ed1ng d\u01b0\u1edbi, thanh ng\u0103n kh\u00f4ng c\u00f3 h\u1ea1t n\u00e0o.<\/p>\n

Thao t\u00e1c b\u1eb1ng tay ph\u1ea3i c\u1ea7n th\u1ef1c hi\u1ec7n:<\/strong> \u0110\u1ec3 ng\u00f3n c\u00e1i \u0111\u1ec3 b\u00fang h\u1ea1t t\u1eeb d\u01b0\u1edbi l\u00ean, b\u1ed1n ng\u00f3n tay c\u00f2n l\u1ea1i \u0111\u1ec3 \u0111\u01b0a h\u1ea1t t\u1eeb tr\u00ean xu\u1ed1ng.<\/p>\n

C\u00e1ch th\u1ef1c hi\u1ec7n v\u00e0 \u0111\u1ecdc c\u00e1c con s\u1ed1:<\/strong> S\u1ed1 t\u1ee9c l\u00e0 s\u1ed1 h\u1ea1t \u0111\u01b0\u1ee3c k\u00e9o v\u1ec1 thanh ph\u00e2n chia t\u1ea1m g\u1ecdi l\u00e0 \u1edf gi\u1eefa nh\u00e9: s\u1ed1 0 t\u1ee9c l\u00e0 gi\u00f3ng kh\u00f4ng c\u00f3 h\u1ea1t n\u00e0o \u1edf gi\u1eefa. S\u1ed1 1,2,3 ho\u1eb7c 4 t\u1ee9c l\u00e0 c\u00f3 1,2,3 ho\u1eb7c 4 t\u1eeb tr\u00ean \u0111\u01b0a xu\u1ed1ng gi\u1eefa. S\u1ed1 5 l\u00e0 1 h\u1ea1t t\u1eeb d\u01b0\u1edbi \u0111\u01b0a l\u00ean, s\u1ed1 6 l\u00e0 m\u1ed9t h\u1ea1t d\u01b0\u1edbi v\u00e0 1 h\u1ea1t tr\u00ean… s\u1ed1 7,8,9 c\u0169ng t\u01b0\u01a1ng t\u1ef1.<\/p>\n

V\u1edbi c\u00f4ng vi\u1ec7c th\u1ec3 hi\u1ec7n s\u1ed1 c\u0169ng nh\u01b0 thao t\u00e1c t\u00ednh lu\u00f4n lu\u00f4n t\u1eeb ph\u1ea3i qua tr\u00e1i \u0111\u1ec3 thu\u1eadn m\u1eaft ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

V\u00ed d\u1ee5 mu\u1ed1n th\u1ec3 hi\u1ec7n 17 \u0111\u1ed3ng n\u0103m xu (s\u1ed1 17,05) th\u00ec ta l\u00e0m t\u1eeb ph\u1ea3i qua tr\u00e1i \u0111\u00f3 l\u00e0 1 h\u1ea1t d\u01b0\u1edbi, kh\u00f4ng h\u1ea1t, 1 h\u1ea1t d\u01b0\u1edbi v\u00e0 2 h\u1ea1t tr\u00ean, 1 h\u1ea1t tr\u00ean.<\/p>\n

Hi\u1ec7n gi\u1edd th\u00ec ta v\u1edbi 5 \u0111\u1ed3ng m\u1ed1t nh\u00e9 (s\u1ed1 5,10): Th\u1ef1c hi\u1ec7n t\u1eeb ph\u1ea3i qua tr\u00e1i l\u1ea5y 5 + 0 th\u00ec kh\u00f4ng th\u00eam h\u1ea1t n\u00e0o. 0 +1 th\u00ec th\u00eam 1 h\u1ea1t t\u1eeb tr\u00ean xu\u1ed1ng.<\/p>\n

\"B\u00e9<\/p>\n

\u0110\u1ebfn 7+5 m\u1edbi l\u00e0 r\u1eafc r\u1ed1i \u0111\u00e2y: v\u00ec kh\u00f4ng \u0111\u1ee7 5 h\u1ea1t n\u00ean ta ph\u1ea3i m\u01b0\u1ee3n b\u00ean tr\u00e1i 1 h\u1ea1t t\u1ee9c l\u00e0 10 b\u1eb1ng c\u00e1ch cho m\u1ed9t h\u1ea1t b\u00ean tr\u00e1i xu\u1ed1ng, v\u00ec ch\u1ec9 m\u01b0\u1ee3n 5 n\u00ean b\u1ea1n ph\u1ea3i tr\u1ea3 lai 5 b\u1eb1ng c\u00e1ch cho 1 h\u1ea1t b\u00ean d\u01b0\u1edbi xu\u1ed1ng.<\/p>\n

Trong tr\u01b0\u1eddng h\u01a1p n\u1ebfu m\u01b0\u1ee3n h\u1ea1t b\u00ean tr\u00e1i nh\u01b0ng kh\u00f4ng c\u00f3 h\u1ea1t ( v\u00ec g\u1eb7p s\u1ed1 9) th\u00ec ta m\u01b0\u1ee3n h\u1ea1t b\u00ean tr\u00e1i n\u1eefa t\u00fac l\u00e0 h\u00e0ng tr\u0103m. c\u0169ng l\u00e0m t\u01b0\u01a1ng t\u1ef1…<\/p>\n

Th\u1ef1c hi\u1ec7n li\u00ean t\u1ee5c nh\u01b0 v\u1eady cho \u0111\u1ebfn h\u1ebft s\u1ed1 ta thu \u0111\u01b0\u1ee3c K\u1ebft qu\u1ea3 l\u00e0 s\u1ed1 h\u1ea1t c\u1eb7p tr\u00ean v\u00e0 d\u01b0\u1edbi thanh ph\u00e2n chia : 22 \u0111\u1ed3ng 15 xu.<\/p>\n

V\u1edbi ph\u00e9p T\u00ednh tr\u1eeb c\u0169ng l\u00e0m t\u01b0\u01a1ng t\u1ef1 nh\u01b0ng thay v\u00ec th\u00eam h\u1ea1t v\u00e0o th\u00ec ta l\u1ea5y h\u1ea1t ra.<\/p>\n

\u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c ph\u00e9p nh\u00e2n v\u00e0 ph\u00e9p chia th\u00ec b\u1ea1n ph\u1ea3i h\u1ecdc thu\u1ed9c b\u1ea3n c\u1eedu ch\u01b0\u01a1ng.<\/p>\n

V\u1edbi nh\u1eefng \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i, b\u00e0n t\u00ednh g\u1ea3y Soroban ngay l\u1eadp t\u1ee9c tr\u1edf th\u00e0nh \u201cchi\u1ebfc m\u00e1y t\u00ednh hi\u1ec7n \u0111\u1ea1i\u201d nh\u1ea5t th\u1eddi b\u1ea5y gi\u1edd v\u00e0 lan nhanh sang c\u00e1c n\u01b0\u1edbc khu v\u1ef1c ch\u00e2u \u00c1.<\/p>\n

Ng\u00e0y nay, b\u00e0n t\u00ednh Soroban<\/strong> tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 tuy\u1ec7t v\u1eddi gi\u00fap c\u00e1c b\u00e9 r\u00e8n luy\u1ec7n tr\u00ed n\u00e3o<\/strong>, kh\u1ea3 n\u0103ng t\u01b0 duy v\u00e0 l\u00e0m to\u00e1n si\u00eau nhanh. Th\u1eadm ch\u00ed \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc to\u00e1n ki\u1ec3u Nh\u1eadt<\/strong> \u0111\u01b0\u1ee3c nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi tin ch\u1ecdn v\u00e0 \u0111\u01b0a v\u00e0o gi\u00e1o d\u1ee5c.<\/p>\n

L\u00fd do c\u00e1ch h\u1ecdc b\u00e0n t\u00ednh Soroban tr\u1edf th\u00e0nh m\u1ed9t \u201cc\u01a1n s\u1ed1t\u201d<\/span><\/h2>\n

Theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u, khi h\u1ecdc to\u00e1n Soroban<\/a><\/strong> c\u00e1c b\u00e9 ph\u00e1t tri\u1ec3n \u0111\u1ed3ng \u0111\u1ec1u t\u01b0 duy c\u1ee7a c\u1ea3 2 b\u00e1n c\u1ea7u n\u00e3o tr\u00e1i v\u00e0 ph\u1ea3i. N\u1ebfu nh\u01b0 b\u00e1n c\u1ea7u n\u00e3o tr\u00e1i c\u00f3 nhi\u1ec7m v\u1ee5 ghi nh\u1edb ph\u00e9p t\u00ednh, con s\u1ed1 th\u00ec b\u00e1n c\u1ea7u n\u00e3o ph\u1ea3i s\u1ebd t\u01b0\u1edfng t\u01b0\u1ee3ng ra h\u00ecnh \u1ea3nh chi\u1ebfc b\u00e0n t\u00ednh.<\/p>\n

T\u1eeb s\u1ef1 k\u1ebft h\u1ee3p n\u00e0y s\u1ebd gi\u00fap tr\u1ebb \u0111\u01b0a ra k\u1ebft qu\u1ea3 nhanh, ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng m\u1ea5t qu\u00e1 nhi\u1ec1u th\u1eddi gian v\u00e0o vi\u1ec7c t\u00ednh nh\u1ea9m.<\/p>\n

Th\u00eam v\u00e0o \u0111\u00f3, c\u00e1ch h\u1ecdc b\u00e0n t\u00ednh \u0111\u00f2i h\u1ecfi s\u1ef1 ph\u1ed1i h\u1ee3p ch\u1eb7t ch\u1ebd v\u00e0 li\u00ean t\u1ee5c c\u1ee7a c\u00e1c gi\u00e1c quan nh\u01b0 tai nghe, m\u1eaft nh\u00ecn, tay c\u1ea3m nh\u1eadn v\u00e0 th\u1ef1c hi\u1ec7n. \u0110\u00e2y c\u0169ng l\u00e0 c\u01a1 h\u1ed9i \u0111\u1ec3 ph\u00e1t tri\u1ec3n to\u00e0n di\u1ec7n c\u00e1c b\u1ed9 ph\u1eadn th\u1ea7n kinh trong c\u01a1 th\u1ec3 tr\u1ebb c\u0169ng nh\u01b0 h\u1ed7 tr\u1ee3 tuy\u1ec7t \u0111\u1ed1i cho s\u1ef1 t\u0103ng tr\u01b0\u1edfng c\u1ee7a c\u00e1c t\u1ebf b\u00e0o n\u00e3o b\u1ed9.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1ch h\u1ecdc b\u00e0n t\u00ednh \u0111\u1ec3 l\u00e0m to\u00e1n \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u cha m\u1eb9 quan t\u00e2m. Thay v\u00ec s\u1eed d\u1ee5ng que t\u00ednh, vi\u00ean bi\u2026 \u0111\u1ec3 t\u00ednh ra ph\u00e9p s\u1ed1 th\u00ec vi\u1ec7c cho b\u00e9 s\u1eed d\u1ee5ng b\u00e0n t\u00ednh soroban l\u00e0 l\u1ef1a ch\u1ecdn s\u00e1ng su\u1ed1t. T\u00ecm hi\u1ec3u v\u1ec1 b\u00e0n t\u00ednh Soroban B\u00e0n t\u00ednh soroban l\u00e0 lo\u1ea1i b\u00e0n t\u00ednh \u0111\u01b0\u1ee3c<\/p>\n","protected":false},"author":1,"featured_media":10049,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3347],"tags":[14838,14839,14840,14841,14842,11573],"class_list":{"0":"post-10048","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-nuoi-day-con","8":"tag-be-hoc-ban-tinh","9":"tag-be-phat-trien-tu-duy-logic","10":"tag-cach-hoc-ban-tinh","11":"tag-hoc-ban-tinh","12":"tag-phat-trien-tu-duy","13":"tag-soroban"},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/kynaforkids.vn\/blog\/wp-json\/wp\/v2\/posts\/10048","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kynaforkids.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kynaforkids.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kynaforkids.vn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kynaforkids.vn\/blog\/wp-json\/wp\/v2\/comments?post=10048"}],"version-history":[{"count":0,"href":"https:\/\/kynaforkids.vn\/blog\/wp-json\/wp\/v2\/posts\/10048\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kynaforkids.vn\/blog\/wp-json\/wp\/v2\/media\/10049"}],"wp:attachment":[{"href":"https:\/\/kynaforkids.vn\/blog\/wp-json\/wp\/v2\/media?parent=10048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kynaforkids.vn\/blog\/wp-json\/wp\/v2\/categories?post=10048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kynaforkids.vn\/blog\/wp-json\/wp\/v2\/tags?post=10048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}