{"id":17560,"date":"2024-05-02T19:36:56","date_gmt":"2024-05-02T19:36:56","guid":{"rendered":"https:\/\/soicau4021.minhngocxoso.com\/cac-cach-tinh-lo-chinh-xac-nhat-viet-nam-ma-ban-can-phai-biet\/"},"modified":"2024-05-02T19:36:56","modified_gmt":"2024-05-02T19:36:56","slug":"cac-cach-tinh-lo-chinh-xac-nhat-viet-nam-ma-ban-can-phai-biet","status":"publish","type":"post","link":"https:\/\/caudesongthu.com\/cac-cach-tinh-lo-chinh-xac-nhat-viet-nam-ma-ban-can-phai-biet\/","title":{"rendered":"c\u00e1c c\u00e1ch t\u00ednh l\u00f4 ch\u00ednh x\u00e1c nh\u1ea5t vi\u1ec7t nam m\u00e0 b\u1ea1n c\u1ea7n ph\u1ea3i bi\u1ebft!"},"content":{"rendered":"
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Trong \u0111\u1eb7t c\u01b0\u1ee3c kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o may m\u1eafn m\u00e0 c\u00e1ch t\u00ednh l\u00f4 <\/strong>c\u0169ng g\u00f3p ph\u1ea7n quan tr\u1ecdng v\u00e0o vi\u1ec7c b\u1ea1n c\u00f3 th\u1eafng hay kh\u00f4ng. T\u1ea1i Vi\u1ec7t Nam, c\u00f3 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1 nh\u01b0ng ch\u01b0a n\u1eafm ch\u1eafc \u0111\u01b0\u1ee3c c\u00e1ch t\u00ednh l\u00f4<\/strong>, \u0111i\u1ec1u \u0111\u00f3 d\u1eabn t\u1edbi kh\u1ea3 n\u0103ng chi\u1ebfn th\u1eafng c\u1ee7a b\u1ea1n kh\u00f4ng cao.<\/p>\n

V\u1eady t\u00ednh l\u00f4 th\u1ebf n\u00e0o cho chu\u1ea9n x\u00e1c? H\u00e3y theo d\u00f5i b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 c\u00e1c c\u00e1ch t\u00ednh l\u00f4<\/strong> \u0111a d\u1ea1ng v\u00e0 chu\u1ea9n x\u00e1c t\u1eeb kh\u1eafp m\u1ecdi mi\u1ec1n. T\u1eeb \u0111\u00f3 b\u1ea1n s\u1ebd c\u00f3 c\u00e1i nh\u00ecn \u0111\u00fang \u0111\u1eafn v\u1ec1 l\u00f4 v\u00e0 d\u1ec5 d\u00e0ng d\u00e0nh chi\u1ebfn th\u1eafng th\u1eafng h\u01a1n.<\/p>\n

<\/span>C\u00e1ch t\u00ednh l\u00f4 Mi\u1ec1n B\u1eafc<\/strong><\/h2>\n

\u0110\u1ea7u ti\u00ean b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 c\u00e1ch ch\u01a1i l\u00f4 c\u1ee7a mi\u1ec1n B\u1eafc, m\u1ed7i l\u1ea7n x\u1ed5 s\u1ed1 s\u1ebd c\u00f3 27 k\u1ebft qu\u1ea3 theo \u0111\u00f3 t\u01b0\u01a1ng \u1ee9ng l\u00e0 t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t t\u1edbi gi\u1ea3i 7. V\u00e0 b\u1ea1n \u0111o\u00e1n \u0111\u00fang \u0111\u01b0\u1ee3c 2 s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t b\u1ea1n s\u1ebd gi\u00e0nh \u0111\u01b0\u1ee3c ph\u1ea7n th\u1eafng.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p t\u00ednh l\u00f4 c\u1ee7a mi\u1ec1n B\u1eafc th\u00ec \u0111a d\u1ea1ng, c\u00f3 nhi\u1ec1u c\u00e1ch t\u00ednh kh\u00e1c nhau. C\u00f3 m\u1ed9t v\u00e0i k\u0129 thu\u1eadt h\u1ebft s\u1ee9c \u0111\u01a1n gi\u1ea3n nh\u01b0ng l\u1ea1i mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch t\u00ednh l\u00f4<\/strong> theo c\u00e1ch t\u00ednh mi\u1ec1n B\u1eafc.<\/p>\n

<\/span>Ph\u01b0\u01a1ng ph\u00e1p c\u1ed9ng c\u00e1c s\u1ed1 trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/h3>\n

C\u1ed9ng t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 trong s\u1ed1 tr\u00fang gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u1ea1i v\u1edbi nhau s\u1ebd ra 1 con s\u1ed1 c\u00f3 2 ch\u1eef s\u1ed1. V\u00ed d\u1ee5: gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a XSKT mi\u1ec1n B\u1eafc l\u00e0 35267 th\u00ec ta l\u1ea5y 3 + 5 + 2 + 6 + 7 = 23, v\u00e0 23 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ea1ch th\u1ee7 l\u00f4.<\/p>\n

Ngo\u00e0i ra ta c\u00f3 th\u1ec3 \u0111\u00e1nh th\u00eam s\u1ed1 32 l\u00e0 s\u1ed1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a 23 \u0111\u1ec3 tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p c\u1ea7u b\u1ecb l\u1ed9n. Ta th\u1ea5y c\u00e1ch t\u00ednh l\u00f4 n\u00e0y kh\u00e1 \u0111\u01a1n gi\u1ea3n v\u00e0 \u0111\u01b0\u1ee3c nhi\u1ec1u tay ch\u01a1i chuy\u00ean nghi\u1ec7p s\u1eed d\u1ee5ng v\u00ec n\u00f3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ngu\u1ed3n v\u1ed1n c\u1ee7a b\u1ea1n.<\/p>\n

<\/span>Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p s\u1ed1 t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1edbi gi\u1ea3i c\u00f3 3 s\u1ed1 gi\u1ed1ng nhau<\/h3>\n

Gh\u00e9p 2 s\u1ed1 l\u1ea5y t\u1eeb c\u00e1c gi\u1ea3i c\u00f3 3 s\u1ed1 gi\u1ed1ng nhau v\u00e0 t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. \u0110\u1ea7u ti\u00ean ta xem x\u00e9t k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1, n\u1ebfu trong gi\u1ea3i m\u00e0 c\u00f3 d\u00e3y s\u1ed1 c\u00f3 3 s\u1ed1 gi\u1ed1ng nhau nh\u01b0 12113, 65554, 87767 trong m\u1ed7i d\u00e3y s\u1ed1 \u0111\u1ec1u c\u00f3 3 s\u1ed1 gi\u1ed1ng nhau.<\/p>\n

Ti\u1ebfp theo ta lo\u1ea1i c\u00e1c s\u1ed1 gi\u1ed1ng nhau trong d\u00e3y nh\u01b0 theo d\u00e3y tr\u00ean th\u00ec l\u00e0 1, 5, 7 th\u00ec trong d\u00e3y c\u00f2n c\u00e1c c\u1eb7p nh\u01b0: 2,3 ; 4,4 ; 8,6 th\u00ec ta ch\u1ecdn s\u1ed1 l\u1edbn nh\u1ea5t trong c\u00e1c s\u1ed1 c\u00f2n l\u1ea1i. Ta c\u00f3 th\u1ec3 th\u1ea5y s\u1ed1 8 l\u00e0 s\u1ed1 l\u1edbn nh\u1ea5t n\u00ean ta ch\u1ecdn s\u1ed1 8 s\u1ebd l\u00e0 s\u1ed1 \u0111\u1ea7u ti\u00ean trong b\u1ea1ch th\u1ee7 l\u00f4.<\/p>\n

V\u1eady s\u1ed1 c\u00f2n l\u1ea1i l\u1ea5y t\u1eeb \u0111\u00e2u? Ta c\u1ea7n xem x\u00e9t t\u1edbi c\u00e1c s\u1ed1 trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t, \u0111\u1ed1i ng\u01b0\u1ee3c l\u1ea1i v\u1edbi c\u00e1ch ch\u1ecdn s\u1ed1 \u0111\u1ea7u ti\u00ean b\u00ean tr\u00ean th\u00ec ta s\u1ebd ch\u1ecdn s\u1ed1 nh\u1ecf nh\u1ea5t kh\u00e1c 0 trong d\u00e3y s\u1ed1 \u0111\u1eb7c bi\u1ec7t. V\u00ed d\u1ee5 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 15783 th\u00ec s\u1ed1 nh\u1ecf nh\u1ea5t kh\u00e1c 0 s\u1ebd l\u00e0 s\u1ed1 1. V\u1eady ta \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1ed1 th\u1ee9 2 trong b\u1ea1ch th\u1ee7 l\u00f4.<\/p>\n

Theo v\u00ed d\u1ee5 ta gh\u00e9p l\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c s\u1ed1 81, t\u1eeb \u0111\u00f3 ta c\u00f3 th\u1ec3 \u0111\u00e1nh 81 ho\u1eb7c 18 \u0111\u1ec3 tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p c\u1ea7u b\u1ecb \u0111\u1ea3o l\u1ed9n. Khi c\u1ea7u v\u1ec1 th\u01b0\u1eddng k\u00e9o d\u00e0i li\u00ean t\u1ee5c t\u1eeb 2 \u0111\u1ebfn 3 ng\u00e0y. C\u00e1ch ch\u01a1i n\u00e0y c\u0169ng kh\u00e1 \u0111\u01a1n gi\u1ea3n \u0111\u01b0\u1ee3c nhi\u1ec1u b\u1ea1n m\u1edbi ch\u01a1i \u00e1p d\u1ee5ng v\u00ec t\u00ednh hi\u1ec7u qu\u1ea3 c\u0169ng nh\u01b0 an to\u00e0n.<\/p>\n

<\/span>Ph\u01b0\u01a1ng ph\u00e1p \u0111o\u00e1n theo c\u1eb7p s\u1ed1 l\u00f4 t\u00f4<\/h3>\n

Sau \u0111\u00e2y l\u00e0 1 s\u1ed1 d\u1ef1 \u0111o\u00e1n d\u1ef1a theo kinh nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi ch\u01a1i chuy\u00ean nghi\u1ec7p theo s\u1ed1 l\u00f4 t\u00f4: N\u1ebfu h\u00f4m tr\u01b0\u1edbc c\u00f3 010 th\u00ec h\u00f4m sau s\u1ebd c\u00f3 060, 898; t\u01b0\u01a1ng t\u1ef1 242 th\u00ec h\u00f4m sau s\u1ebd c\u00f3 272; 272 th\u00ec 787; 787 th\u00ec 484; 484 th\u00ec h\u00f4m sau c\u00f3 464 v\u00e0 050; 363 th\u00ec 383; 383 th\u00ec l\u00e0 767; 545 th\u00ec t\u01b0\u01a1ng \u1ee9ng 565; 565 t\u01b0\u01a1ng \u1ee9ng h\u00f4m sau l\u00e0 595; 747 th\u00ec 797; 797 th\u00ec t\u01b0\u01a1ng \u1ee9ng 737 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i; 232 th\u00ec 343; 141 th\u00ec t\u01b0\u01a1ng \u1ee9ng 161, 181 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i; 575 th\u00ec t\u01b0\u01a1ng \u1ee9ng v\u1edbi 585; 17 t\u01b0\u01a1ng \u1ee9ng v\u1edbi 272; 696 t\u01b0\u01a1ng \u1ee9ng 71 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i; 050 t\u01b0\u01a1ng \u1ee9ng v\u1edbi 262 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i; 02 th\u00ec h\u00f4m sau l\u00e0 121; n\u1ebfu h\u00f4m tr\u01b0\u1edbc 17 n\u1eb1m \u1edf gi\u1ea3i 7 th\u00ec h\u00f4m sau ra l\u00f4 85,\u2026<\/p>\n

<\/div>\n

<\/span>C\u00e1ch t\u00ednh l\u00f4 Mi\u1ec1n Nam<\/strong><\/h2>\n
Nu\u00f4i l\u00f4 3 ng\u00e0y theo d\u1ea1ng s\u1ed1:<\/h5>\n

-\u0110\u1ea7u ti\u00ean b\u1ea1n c\u1ea7n ch\u1edd k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 sau \u0111\u00f3 nh\u00ecn v\u00e0o gi\u1ea3i 4 ho\u1eb7c 5 trong trong k\u1ebft qu\u1ea3. N\u1ebfu k\u1ebft qu\u1ea3 xu\u1ea5t hi\u1ec7n nh\u1eefng tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t nh\u01b0 1 trong 2 gi\u1ea3i c\u00f3 d\u1ea1ng 2 \u0111\u01a1n v\u1ecb gh\u00e9p. V\u00ed d\u1ee5 gi\u1ea3i 4 c\u00f3 k\u1ebft qu\u1ea3 l\u00e0 34934 th\u00ec ta th\u1ea5y 34 xu\u1ea5t hi\u1ec7n 2 l\u1ea7n. T\u1eeb \u0111\u00f3 ta l\u1ea5y c\u1eb7p s\u1ed1 93 ho\u1eb7c 39 l\u00e0m b\u1ea1ch th\u1ee7 l\u00f4.<\/p>\n

-N\u1ebfu mu\u1ed1n n\u00e2ng cao kh\u1ea3 n\u0103ng th\u1eafng th\u00ec b\u1ea1n n\u00ean th\u1ed1ng k\u00ea t\u1ea7n su\u1ea5t xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c c\u1eb7p s\u1ed1 tr\u00ean trong tu\u1ea7n ho\u1eb7c c\u1ee7a ri\u00eang nh\u00e0 \u0111\u00e0i \u0111\u00f3.<\/p>\n

Nu\u00f4i l\u00f4 theo d\u1ea1ng k\u1eb9p s\u1ed1:<\/h5>\n

-Tr\u01b0\u1eddng h\u1ee3p n\u00e0y t\u1ee9c l\u00e0 gi\u1ea3i tr\u00fang c\u00f3 1 c\u1eb7p s\u1ed1 k\u1eb9p gi\u1eefa hai s\u1ed1 0, ho\u1eb7c 2 s\u1ed1 1, ho\u1eb7c 2 s\u1ed1 2, ho\u1eb7c 2 s\u1ed1 8. Th\u00ec b\u1ea1n n\u00ean l\u1ea5y c\u1eb7p \u0111\u00f3 \u0111\u1ec3 \u0111\u00e1nh cho 3 ng\u00e0y ti\u1ebfp theo.<\/p>\n

T\u00ednh l\u00f4 b\u1eb1ng c\u00e1ch gh\u00e9p d\u00e3y 7 v\u00e0 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t:<\/h5>\n

\u2013C\u00e1ch t\u00ednh l\u00f4<\/strong> n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i ph\u1ee9c t\u1ea1p n\u00ean ch\u1ec9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c cao th\u1ee7 s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh. \u0110\u1ea7u ti\u00ean b\u1ea1n c\u1ea7n xem x\u00e9t gi\u1ea3i 7 \u1edf \u0111\u00e2y ch\u1ec9 s\u1eed d\u1ee5ng gi\u1ea3i 7 m\u00e0 c\u00f3 \u0111\u1ea7u v\u00e0 \u0111u\u00f4i b\u1eb1ng nhau (v\u00ed d\u1ee5: 363, 151, 989) v\u00e0 \u1edf gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ta l\u1ea5y l\u00e0 2 s\u1ed1 \u1edf gi\u1eefa c\u1ee7a gi\u1ea3i (v\u00ed d\u1ee5: 038966 th\u00ec ta l\u1ea5y ra 89).<\/p>\n

-Sau khi xem x\u00e9t 2 gi\u1ea3i 7 v\u00e0 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t th\u00ec ta \u0111\u00e3 c\u00f3 c\u00e1c con s\u1ed1 c\u1ea7n thi\u1ebft \u0111\u1ec3 gh\u00e9p c\u1eb7p. Theo v\u00ed d\u1ee5 tr\u00ean th\u00ec gi\u1ea3i 7 ta c\u00f3 s\u1ed1 36, 63 gh\u00e9p v\u1edbi s\u1ed1 89 th\u00ec ta c\u00f3 c\u00e1c c\u1eb7p s\u1ed1 nh\u01b0 sau: 38, 83, 39, 93, 36, 63. Tuy gi\u1ea3i 7 \u0111\u1ec3 ra \u0111\u01b0\u1ee3c s\u1ed1 c\u00f3 \u0111\u1ea7u v\u00e0 \u0111u\u00f4i gi\u1ed1ng nhau r\u1ea5t hi\u1ebfm nh\u01b0ng t\u1ec9 l\u1ec7 \u0103n th\u01b0\u1eddng cao. V\u00ec l\u1ebd \u0111\u00f3, b\u1ea1n n\u00ean bao nhi\u1ec1u nh\u00e0 \u0111\u00e0i v\u00e0 ch\u01a1i li\u00ean ti\u1ebfp 3 ng\u00e0y.<\/p>\n

Nu\u00f4i l\u00f4 theo d\u1ea1ng s\u1ed1 sau qu\u00e2n 68:<\/h5>\n

Tr\u01b0\u1eddng h\u1ee3p n\u00e0y ta c\u1ea7n quan s\u00e1t c\u00e1c s\u1ed1 gi\u1ea3i 4, 5. N\u1ebfu k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 c\u00f3 s\u1ed1 68 th\u00ec ta n\u00ean l\u1ea5y 2 s\u1ed1 tr\u01b0\u1edbc n\u00f3 \u0111\u1ec3 \u0111\u00e1nh li\u00ean ti\u1ebfp 3 ng\u00e0y.<\/p>\n

<\/span>C\u00e1ch t\u00ednh l\u00f4 Mi\u1ec1n Trung<\/strong><\/h2>\n
T\u00ednh b\u1eb1ng c\u00e1ch soi c\u1ea7u \u0111\u1ed9ng:<\/h5>\n

-Tr\u01b0\u1eddng h\u1ee3p n\u00e0y ta x\u00e9t k\u1ebft qu\u1ea3 gi\u1ea3i 7, ta l\u1ea5y s\u1ed1 \u0111\u1ea7u v\u00e0 s\u1ed1 cu\u1ed1i gi\u1ea3i 7 gh\u00e9p l\u1ea1i v\u1edbi nhau. C\u00e1ch \u0111\u00e1nh n\u00e0y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n c\u00e1c c\u00e1ch \u0111\u00e1nh kh\u00e1c. C\u00e1ch \u0111\u00e1nh n\u00e0y th\u01b0\u1eddng theo chu k\u1ef3 n\u00ean c\u1ea7n thay \u0111\u1ed5i th\u01b0\u1eddng xuy\u00ean.<\/p>\n

T\u00ednh l\u00f4 b\u1eb1ng c\u00e1ch soi c\u1ea7u h\u00ecnh qu\u1ea3 tr\u00e1m:<\/h5>\n

-Soi k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 n\u1ebfu ta th\u1ea5y 2 gi\u1ea3i li\u00ean ti\u1ebfp xu\u1ea5t hi\u1ec7n d\u1ea1ng:\u00a0 A -BA \u2013 AA, th\u00ec ta l\u1ea5y c\u1eb7p s\u1ed1 BA, AB \u0111\u1ec3 \u0111\u00e1nh. V\u1edbi c\u00e1ch \u0111\u00e1nh n\u00e0y ta n\u00ean soi s\u1ed1 t\u1ea1i c\u00e1i gi\u1ea3i 3 ,4, 5, 6. Th\u1eddi gian nu\u00f4i c\u1ea7u l\u00e0 2 ng\u00e0y.<\/p>\n

T\u00ednh theo s\u1ed1 k\u00e9p:<\/h5>\n

-Tr\u01b0\u1eddng h\u1ee3p n\u00e0y b\u1ea1n c\u00f3 th\u1ec3 soi gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1, v\u00ed d\u1ee5 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0: 882347. Ta l\u1ea5y 2 s\u1ed1 \u0111\u1ea7u \u0111\u1ec3 \u0111\u00e1nh trong 5 ng\u00e0y ti\u1ebfp theo.<\/p>\n

<\/span>C\u00e1ch t\u00ednh l\u00f4 xi\u00ean<\/strong><\/h2>\n

L\u00f4 xi\u00ean hay ta c\u00f2n g\u1ecdi l\u00e0 l\u00f4 x\u00e2u l\u00e0 1 x\u00e2u v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p t\u1eeb 2, 3, 4 s\u1ed1 l\u00f4. Khi b\u1ea1n \u0111\u00e1nh x\u00e2u 2 t\u1ee9c l\u00e0 b\u1ea1n c\u01b0\u1ee3c c\u00f9ng 1 l\u00fac k\u1ebft qu\u1ea3 xu\u1ea5t hi\u1ec7n 2 s\u1ed1 b\u1ea1n c\u01b0\u1ee3c. V\u00ec th\u1ebf l\u00f4 xi\u00ean lu\u00f4n \u0111\u01b0\u1ee3c nhi\u1ec1u anh em y\u00eau th\u00edch v\u00ec ph\u1ea7n th\u01b0\u1edfng cao m\u00e0 chi ph\u00ed b\u1ecf ra th\u1ea5p. C\u00f9ng t\u00ecm hi\u1ec3u 1 s\u1ed1 kinh nghi\u1ec7m ch\u01a1i l\u00f4 xi\u00ean d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n

-N\u1ebfu h\u00f4m nay c\u00f3 c\u1eb7p 05, 50 th\u00ec h\u00f4m sau c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n 2 s\u1ed1 tr\u00ean.<\/p>\n

-T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady c\u0169ng t\u1ed3n t\u1ea1i c\u00e1c c\u1eb7p s\u1ed1 \u0111\u1eb7c bi\u1ec7t nh\u01b0: 06, 60; 02,20.<\/p>\n

-H\u00f4m nay c\u00f3 51 th\u00ec h\u00f4m sau c\u00f3 th\u1ec3 c\u00f3 c\u1eb7p 15 ho\u1eb7c 51.<\/p>\n

-H\u00f4m nay c\u00f3 \u0111\u1ea7u 7 \u0111u\u00f4i l\u00e0 3 th\u00ec h\u00f4m sau c\u00f3 th\u1ec3 c\u00f3 73 ho\u1eb7c 37.<\/p>\n

-H\u00f4m nay 97 th\u00ec h\u00f4m sau c\u00f3 th\u1ec3 c\u00f3 37, 73.<\/p>\n

-H\u00f4m nay 18 th\u00ec h\u00f4m sau c\u00f3 th\u1ec3 c\u00f3 97, 99 ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n

-H\u00f4m nay c\u00f3 l\u00f4 29 th\u00ec h\u00f4m sau c\u00f3 th\u1ec3 c\u00f3 l\u00f4 22.<\/p>\n

-L\u00f4 33 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n v\u00e0o 2 ng\u00e0y cu\u1ed1i tu\u1ea7n.<\/p>\n

-L\u00f4 66 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n v\u00e0o th\u1ee9 5, 6.<\/p>\n

Tr\u00ean \u0111\u00e2y l\u00e0 c\u00e1c c\u00e1c c\u00e1ch ch\u01a1i xi\u00ean hi\u1ec7u qu\u1ea3 th\u00f4ng qua c\u00e1c s\u1ed1 ho\u1eb7c c\u00e1c c\u1eb7p s\u1ed1 v\u00e0 ph\u1ea7n l\u1edbn t\u00f9y v\u00e0o kh\u1ea3 n\u0103ng suy t\u00ednh c\u0169ng nh\u01b0 t\u00ecm hi\u1ec3u th\u00f4ng tin c\u1ee7a b\u1ea1n.<\/p>\n

<\/span>T\u00ednh l\u00f4 theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong><\/h2>\n

C\u00e1ch t\u00ednh theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t \u0111\u00e3 \u0111\u01b0\u1ee3c b\u00e0i vi\u1ebft \u0111\u01b0a ra theo c\u00e1c c\u00e1ch t\u00ednh v\u00f9ng mi\u1ec1n. N\u00ean ph\u1ea7n n\u00e0y ch\u00fang t\u00f4i s\u1ebd t\u1ed5ng h\u1ee3p l\u1ea1i cho b\u1ea1n n\u1eafm r\u00f5 h\u01a1n.<\/p>\n

-Gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u00f3 2 s\u1ed1 \u0111\u1ea7u gi\u1ed1ng nhau, ta \u0111\u00e1nh theo 2 s\u1ed1 \u0111\u1ea7u n\u00e0y v\u1edbi x\u00e1c su\u1ea5t tr\u00fang cao.<\/p>\n

-Ta l\u1ea5y s\u1ed1 \u0111\u1ea7u ti\u00ean c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t t\u1eeb th\u1ee9 2 t\u1edbi ch\u1ee7 nh\u1eadt c\u1ee7a tu\u1ea7n tr\u01b0\u1edbc gh\u00e9p v\u1edbi nhau th\u00e0nh c\u00e1c c\u1eb7p s\u1ed1 \u0111\u1ec3 nu\u00f4i trong tu\u1ea7n n\u00e0y.<\/p>\n

-Ngo\u00e0i ra c\u00f2n 1 s\u1ed1 c\u00e1ch t\u00ednh l\u00f4 <\/strong>theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t nh\u01b0 t\u00ednh t\u1ed5ng c\u00e1c s\u1ed1 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t.<\/p>\n

<\/span>T\u00ednh l\u00f4 theo Pascal<\/strong><\/h2>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ef1a theo c\u00e1ch t\u00ednh c\u1ee7a tam gi\u00e1c Pascal trong to\u00e1n h\u1ecdc \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh con s\u1ed1 c\u00f3 t\u1ec9 l\u1ec7 tr\u00fang cao nh\u1ea5t. D\u00e3y s\u1ed1 Pascal c\u00f3 \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch gh\u00e9p k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t l\u1ea1i v\u1edbi nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch t\u00ednh c\u1ee5 th\u1ec3 theo tam gi\u00e1c Pascal.<\/p>\n

-V\u00ed d\u1ee5 ta c\u00f3 d\u00e3y \u0111\u1eb7c bi\u1ec7t l\u00e0 98745 v\u00e0 gi\u1ea3i nh\u1ea5t l\u00e0 42365, khi gh\u00e9p l\u1ea1i ta c\u00f3 d\u00e3y s\u1ed1 9874542365. Ti\u1ebfp theo ta c\u1ed9ng 2 s\u1ed1 li\u00ean ti\u1ebfp l\u1ea1i th\u00e0nh t\u1eebng c\u1eb7p v\u00e0 n\u1ebfu s\u1ed1 n\u00e0o c\u1ed9ng l\u1ea1i l\u1edbn h\u01a1n 10 th\u00ec ta l\u1ea5y h\u00e0ng \u0111\u01a1n v\u1ecb. Theo d\u00e3y s\u1ed1 n\u00e0y 9874542365 khi c\u1ed9ng l\u1ea1i t\u01b0\u01a1ng \u1ee9ng ta c\u00f2n 751996591. V\u00e0 ta c\u1ee9 l\u1eb7p l\u1ea1i vi\u1ec7c c\u1ed9ng theo tam gi\u00e1c Pascal cho t\u1edbi khi c\u00f2n l\u1ea1i 2 s\u1ed1 t\u01b0\u01a1ng \u1ee9ng cu\u1ed1i c\u00f9ng: 26085140; 8683654; 441919; 85000; 3500; 850; 30<\/p>\n

-V\u00e0 30 l\u00e0 s\u1ed1 ta c\u1ea7n t\u00ecm, theo \u0111\u00f3 tr\u1eeb tr\u01b0\u1eddng h\u1ee3p ra c\u00e1c s\u1ed1 k\u00e9p nh\u01b0 22, 33, 44, .. th\u00ec c\u00e1c s\u1ed1 c\u00f2n l\u1ea1i ph\u1ea3i \u0111\u00e1nh c\u1ea3 xu\u00f4i v\u00e0 ng\u01b0\u1ee3c tr\u1eeb tr\u01b0\u1eddng h\u1ee3p c\u1ea7u l\u1ed9n.<\/p>\n

<\/span>T\u00ednh l\u00f4 b\u1eb1ng excel<\/strong><\/h2>\n

\u0110\u00e2y l\u00e0 1 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh to\u00e1n theo khoa h\u1ecdc v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao. B\u00ean c\u1ea1nh \u0111\u00f3 n\u00f3 c\u0169ng gi\u00fap ng\u01b0\u1eddi ch\u01a1i qu\u1ea3n l\u00fd th\u00f4ng tin m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c c\u0169ng nh\u01b0 t\u00ednh to\u00e1n l\u00f4 c\u1ea7u d\u1ec5 d\u00e0ng.<\/p>\n

Ta c\u00f3 nhi\u1ec1u c\u00e1ch t\u00ednh l\u00f4<\/strong> b\u1eb1ng Excel nh\u01b0 t\u00ednh l\u00f4 theo ng\u00e0y h\u00f4m tr\u01b0\u1edbc, t\u00ednh l\u00f4 theo nhi\u1ec1u ng\u00e0y.<\/p>\n

C\u00e1ch l\u1eadp b\u1ea3ng t\u00ednh excel ng\u00e0y h\u00f4m tr\u01b0\u1edbc:<\/h5>\n

-Ta c\u1ea7n truy\u1ec1n v\u00e0o 2 th\u00f4ng s\u1ed1: K\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 t\u1ed5ng h\u1ee3p v\u00e0 k\u1ebft qu\u1ea3 l\u00f4 \u0111\u1ec1. Trong \u0111\u00f3 k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ta c\u1ea7n c\u00f3 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c k\u1ebft qu\u1ea3 \u0111\u00e3 v\u1ec1, m\u1ed7i c\u1ed9t 1 s\u1ed1, t\u00e1ch c\u00e1c s\u1ed1 trong c\u00f9ng 1 k\u1ebft qu\u1ea3 th\u00e0nh 1 d\u00f2ng. V\u1edbi b\u1ea3ng l\u00f4 \u0111\u1ec1 th\u00ec th\u01b0\u1eddng c\u00f3 27 k\u1ebft qu\u1ea3 c\u00f3 2 ch\u1eef s\u1ed1. T\u1eeb b\u1ea3ng n\u00e0y ta c\u00f3 th\u1ec3 t\u00ednh t\u1ed5ng c\u00e1c gi\u1ea3i, ho\u1eb7c l\u00f4 \u0111\u1ec1 trong ng\u00e0y.<\/p>\n

D\u1ef1a v\u00e0o ng\u00e0y h\u00f4m tr\u01b0\u1edbc:\u00a0<\/em><\/h5>\n

-D\u00f9ng h\u00e0m Pascal c\u1ed9ng c\u00e1c d\u00e3y s\u1ed1 t\u1ea1i gi\u1ea3i nh\u1ea5t v\u00e0 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t cho t\u1edbi khi c\u00f2n 2 s\u1ed1 nh\u01b0 c\u00e1ch \u0111\u00e3 n\u00eau tr\u00ean.<\/p>\n

-Xem s\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea xem 2 s\u1ed1 \u0111\u01a1n v\u1ecb n\u00e0o v\u1ec1 nhi\u1ec1u nh\u1ea5t th\u00ec gh\u00e9p l\u1ea1i th\u00e0nh 1 c\u1eb7p \u0111\u1ec3 \u0111\u00e1nh.<\/p>\n

-T\u1eeb b\u1ea3ng l\u00f4 \u0111\u00e3 t\u1ed5ng h\u1ee3p theo ph\u01b0\u01a1ng ph\u00e1p excel r\u1ed3i t\u1eeb \u0111\u00f3 d\u00f9ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 tr\u00ecnh b\u00e0y tr\u00ean \u0111\u1ec3 t\u00ednh to\u00e1n sau cho m\u1ea1ch l\u1ea1c.<\/p>\n

T\u00ednh theo nhi\u1ec1u ng\u00e0y:<\/em><\/h5>\n

B\u1eb1ng nh\u1eefng c\u00e1ch \u0111\u00e3 h\u01b0\u1edbng d\u1eabn tr\u00ean, b\u1ea3ng excel cung c\u1ea5p cho ta m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng qu\u00e1t, kh\u00e1ch quan \u0111\u1ec3 ng\u01b0\u1eddi ch\u01a1i quy\u1ebft \u0111\u1ecbnh c\u00e1ch \u0111\u00e1nh sao cho ph\u00f9 h\u1ee3p. V\u1edbi b\u1ea3ng t\u1ed5ng h\u1ee3p c\u1ee7a nhi\u1ec1u ng\u00e0y th\u00ec ta c\u00f3 th\u1ec3 t\u00ednh trong kho\u1ea3ng 10 ng\u00e0y ho\u1eb7c 30 ng\u00e0y xem l\u00f4 n\u00e0o v\u1ec1 nhi\u1ec1u nh\u1ea5t, \u0111\u00e3 l\u00ean gan hay ch\u01b0a,\u2026L\u1ea5y t\u1ed5ng v\u1ec1 nhi\u1ec1u nh\u1ea5t trong tu\u1ea7n tr\u01b0\u1edbc \u0111\u1ec3 l\u00e0m l\u00f4 \u0111\u00e1nh cho tu\u1ea7n sau.<\/p>\n

T\u00f9y theo c\u00e1ch b\u1ea1n s\u1eed d\u1ee5ng b\u1ea3ng Excel n\u00f3 s\u1ebd cung c\u1ea5p cho b\u1ea1n c\u00e1ch t\u00ednh to\u00e1n l\u00f4 \u0111\u1ec1 ch\u00ednh x\u00e1c nh\u1ea5t.<\/p>\n

<\/span>T\u00ednh l\u00f4 theo ng\u0169 h\u00e0nh<\/strong><\/h2>\n

M\u1ecdi y\u1ebfu t\u1ed1 tr\u00ean tr\u00e1i \u0111\u1ea5t \u0111\u1ec1u c\u00f3 th\u1ec3 quy \u00e2m d\u01b0\u01a1ng, t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 t\u00ednh to\u00e1n ra c\u00e1c con s\u1ed1. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady khi \u00e1p d\u1ee5ng \u00e2m d\u01b0\u01a1ng ng\u0169 h\u00e0nh trong t\u00ednh l\u00f4 \u0111\u1ec1 \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 cao.<\/p>\n

C\u00e1ch t\u00ednh l\u00f4<\/strong> theo \u00e2m d\u01b0\u01a1ng ng\u0169 h\u00e0nh b\u00e1t qu\u00e1i:<\/p>\n

-C\u00e1ch n\u00e0y l\u00e0 d\u1ef1a v\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a b\u1ed9 \u0111\u1ec1 h\u00f4m tr\u01b0\u1edbc t\u1eeb \u0111\u00f3 suy ra \u0111\u01b0\u1ee3c l\u00f4 \u0111\u1ec1 cho h\u00f4m sau. Ta quy \u0111\u1ecbnh nh\u01b0 sau:0,8 \u2013 C\u00e0n; 1,9 \u2013 \u0110o\u00e0i; 2 \u2013 Ly; 3 \u2013 Ch\u1ea5n; 4 \u2013 T\u1ed1n; 5 \u2013 Kh\u1ea3m; 6 \u2013 C\u1ea5n; 7 \u2013 Kh\u00f4n.<\/p>\n

-Ta suy ra \u0111\u01b0\u1ee3c l\u00f4 \u0111\u1ec1 h\u00f4m nay d\u1ef1a v\u00e0o \u0111\u1ed1i s\u1ed1 c\u1ee7a h\u00f4m tr\u01b0\u1edbc. Ta c\u00f3 C\u00e0n \u0111\u1ed1i T\u1ed1n, \u0110o\u00e0i \u0111\u1ed1i Ch\u1ea5n, Ly \u0111\u1ed1i Kh\u1ea3m, C\u1ea5n \u0111\u1ed1i Kh\u00f4n.<\/p>\n

C\u00e1ch t\u00ednh l\u00f4 theo ng\u0169 h\u00e0nh \u00e2m d\u01b0\u01a1ng:<\/p>\n

-L\u1ea5y b\u00f3ng s\u1ed1 c\u1ee7a \u0111\u1ec1 v\u00e0 l\u00f4 v\u1ec1 ng\u00e0y h\u00f4m tr\u01b0\u1edbc l\u00e0m l\u00f4 cho h\u00f4m sau.<\/p>\n

Vi\u1ec7c d\u00f9ng ng\u0169 h\u00e0nh t\u00ednh l\u00f4 r\u1ea5t \u0111a d\u1ea1ng v\u00e0 c\u00f3 nhi\u1ec1u bi\u1ebfn th\u1ec3. Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 l\u1ef1a c\u00e1ch t\u00ednh ph\u00f9 h\u1ee3p v\u1edbi m\u00ecnh \u0111\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t.<\/p>\n

Nh\u1eefng c\u00e1ch t\u00ednh l\u00f4<\/strong> \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y b\u00ean tr\u00ean l\u00e0 s\u1ef1 t\u1ed5ng h\u1ee3p t\u1eeb c\u00e1c kinh nghi\u1ec7m c\u1ee7a c\u00e1c v\u00f9ng mi\u1ec1n, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p khoa h\u1ecdc. Hi v\u1ecdng s\u1ebd gi\u00fap b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec1u th\u1eafng l\u1ee3i.<\/p>\n<\/div>\n