\u0110\u1ec3 t\u00ednh to\u00e1n l\u00f4 \u0111\u1ec1 chu\u1ea9n kh\u00f4ng ph\u1ea3i ai c\u0169ng l\u00e0m \u0111\u01b0\u1ee3c. B\u1edfi v\u00ec, ng\u01b0\u1eddi ch\u01a1i ph\u1ea3i c\u00f3 \u0111\u1ea7u \u00f3c c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n th\u01b0\u1eddng xuy\u00ean. Hi\u1ec7n nay c\u0169ng c\u00f3 r\u1ea5t nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1<\/strong> cho c\u00e1c b\u1ea1n tham kh\u1ea3o. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng c\u00f3 kinh nghi\u1ec7m soi l\u00f4 \u0111\u1ec1 c\u0169ng c\u00f3 th\u1ec3 v\u1eadn d\u1ee5ng c\u00e1c c\u00e1ch t\u00ednh n\u00e0y. H\u00e3y c\u00f9ng nh\u00e0 c\u00e1i c\u1ee7a ch\u00fang t\u00f4i<\/strong> \u0111i\u1ec3m danh c\u00e1c c\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1 chu\u1ea9n x\u00e1c \u0111\u1ebfn 100% nh\u01b0 th\u1ebf n\u00e0o nh\u00e9!<\/p>\n <\/p>\n C\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1<\/strong> mi\u1ec1n B\u1eafc phong ph\u00fa v\u00e0 \u0111a d\u1ea1ng. M\u1ed9t s\u1ed1 c\u00e1ch t\u00ednh \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao ph\u1ea3i k\u1ec3 \u0111\u1ebfn nh\u01b0:<\/p>\n Ph\u01b0\u01a1ng ph\u00e1p b\u1eaft t\u1ed5ng \u0111\u1ec1 l\u00e0 c\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1 m\u00e0 nhi\u1ec1u cao th\u1ee7 th\u01b0\u1eddng hay \u00e1p d\u1ee5ng. C\u00e1ch t\u00ednh to\u00e1n n\u00e0y r\u1ea5t \u0111\u01a1n gi\u1ea3n, b\u1ea1n s\u1ebd l\u1ea5y t\u1ed5ng 5 s\u1ed1 thu\u1ed9c trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t.<\/p>\n Ch\u1eb3ng h\u1ea1n, 25684 l\u00e0 k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y 12\/12. B\u1ea1n s\u1ebd c\u1ed9ng t\u1ed5ng 2+5+6+8+4=25, \u0111\u00e2y s\u1ebd \u0111\u01b0\u1ee3c coi l\u00e0 b\u1ea1ch th\u1ee7 l\u00f4. Khi b\u1ea1n soi \u0111\u01b0\u1ee3c c\u1ea7u 25 th\u00ec b\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e1nh song th\u1ee7 l\u00f4 52 n\u1eefa nh\u00e9. Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1ch nu\u00f4i l\u00f4 khung 3 ng\u00e0y g\u1ea5p th\u1ebfp 1:3:10. Nh\u01b0 v\u1eady, b\u1ea1n s\u1ebd lu\u00f4n \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 th\u1eafng cao nh\u1ea5t khi k\u1ebft qu\u1ea3 n\u1ed5 l\u00f4.<\/p>\n \u0110\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1<\/strong> ph\u00f9 h\u1ee3p v\u1edbi c\u1ea3 nh\u1eefng ng\u01b0\u1eddi m\u1edbi ch\u01a1i. Nh\u1eefng ng\u01b0\u1eddi c\u00f3 ngu\u1ed3n v\u1ed1n h\u1ea1n h\u1eb9p hay m\u1edbi h\u1ecdc c\u00e1ch nu\u00f4i l\u00f4. Th\u00ec ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p b\u1eaft t\u1ed5ng \u0111\u1ec1 n\u00e0y \u0111\u1ec3 soi c\u1ea7u b\u1ea1ch th\u1ee7 l\u00f4.<\/p>\n \u0110\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh b\u1ea1ch th\u1ee7 l\u00f4 \u0111\u01b0\u1ee3c c\u00e1c cao nh\u00e2n truy\u1ec1n \u0111\u1ea1t l\u1ea1i. C\u00e1ch n\u00e0y \u0111\u01b0\u1ee3c hi\u1ec3u \u0111\u01a1n gi\u1ea3n nh\u01b0 sau:<\/p>\n C\u00e1ch gh\u00e9p gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1edbi gi\u1ea3i c\u00f3 3 s\u1ed1 gi\u1ed1ng nhau<\/p>\n Ng\u01b0\u1eddi ch\u01a1i s\u1ebd theo d\u00f5i v\u00e0 ghi ch\u00e9p ch\u00ednh x\u00e1c k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 c\u1ee7a ng\u00e0y n\u00e0o \u0111\u00f3. Ti\u1ebfp \u0111\u1ebfn, ng\u00e0y n\u00e0o m\u00e0 c\u00f3 k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 th\u1ea5y xu\u1ea5t hi\u1ec7n 3 con s\u1ed1 gi\u1ed1ng nhau trong gi\u1ea3i. Sau \u0111\u00f3, b\u1ea1n lo\u1ea1i b\u1ecf 3 s\u1ed1 gi\u1ed1ng nhau \u0111\u00f3, gi\u1eef l\u1ea1i s\u1ed1 l\u1edbn nh\u1ea5t trong 2 s\u1ed1 c\u00f2n l\u1ea1i. S\u1eed d\u1ee5ng s\u1ed1 gi\u1eef l\u1ea1i duy nh\u1ea5t \u0111\u1ec3 gh\u00e9p v\u1edbi s\u1ed1 b\u00e9 nh\u1ea5t thu\u1ed9c 5 s\u1ed1 trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. Con s\u1ed1 gh\u00e9p cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c coi l\u00e0 b\u1ea1ch th\u1ee7 l\u00f4 \u0111\u1ec1 ng\u01b0\u1eddi ch\u01a1i nu\u00f4i l\u00f4 theo khung t\u00f9y \u00fd.<\/p>\n B\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u chi ti\u1ebft v\u1ec1 c\u00e1ch t\u00ednh to\u00e1n c\u1ee5 th\u1ec3 v\u1edbi c\u00e1c con s\u1ed1 nh\u01b0 sau:<\/p>\n H\u01a1n n\u1eefa, b\u1ea1n n\u00ean ch\u1ecdn c\u00e1ch nu\u00f4i l\u00f4 khung 3 ng\u00e0y theo t\u1ec9 l\u1ec7 g\u1ea5p th\u1ebfp 1:3:10.<\/p>\n \u0110\u00e2y l\u00e0 c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1<\/strong> c\u00f3 kh\u1ea3 n\u0103ng v\u1ec1 sau 1 \u0111\u1ebfn 2 ng\u00e0y l\u00e0 r\u1ea5t l\u1edbn. M\u1ed9t khi c\u1ea7u \u0111\u00e3 v\u1ec1 th\u00ec s\u1ebd v\u1ec1 k\u00e9o d\u00e0i trong v\u00f2ng 3 ng\u00e0y li\u00ean t\u1ee5c. \u0110\u00e2y ch\u00ednh l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh l\u00f4 \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng v\u00e0 nhi\u1ec1u ng\u01b0\u1eddi \u0111ang \u00e1p d\u1ee5ng.<\/p>\n B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c c\u1eb7p l\u00f4 t\u00f4 s\u1ebd ra tr\u01b0\u1edbc khi c\u00e1c c\u1eb7p l\u00f4 t\u00f4 \u0111\u00e3 ra. Nh\u00e0 c\u00e1i soi c\u1ea7u ch\u00fang t\u00f4i xin chia s\u1ebb cho ng\u01b0\u1eddi ch\u01a1i b\u1ea3ng tham kh\u1ea3o sau:<\/p>\n \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh l\u00f4 \u0111\u1ec1 \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ea1t l\u1ea1i t\u1eeb xa x\u01b0a. B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o \u0111\u1ec3 \u0111\u00e1nh l\u00f4 t\u00f4 khung t\u1eeb 2 \u0111\u1ebfn 3 ng\u00e0y.<\/p>\n So v\u1edbi c\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1 mi\u1ec1n B\u1eafc th\u00ec c\u00e1ch t\u00ednh l\u00f4 mi\u1ec1n Nam th\u01b0\u1eddng kh\u00f3 h\u01a1n. B\u1edfi v\u00ec, mi\u1ec1n Nam c\u00f3 nhi\u1ec1u nh\u00e0 \u0111\u00e0i cung c\u1ea5p gi\u1ea3i x\u1ed5 s\u1ed1 ri\u00eang bi\u1ec7t trong tu\u1ea7n. Cho n\u00ean, b\u1ea1n ch\u1ec9 theo duy nh\u1ea5t 1 nh\u00e0 \u0111\u00e0i khi \u00e1p d\u1ee5ng c\u00e1c c\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1 mi\u1ec1n Nam. Nh\u01b0 v\u1eady, k\u1ebft qu\u1ea3 s\u1ebd \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i h\u01a1n nhi\u1ec1u.<\/p>\n <\/p>\n B\u1ea1n s\u1ebd ph\u1ea3i theo d\u00f5i k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 c\u1ee7a m\u1ed9t nh\u00e0 \u0111\u00e0i m\u00e0 b\u1ea1n ch\u1ecdn. Sau \u0111\u00f3, b\u1ea1n s\u1ebd xem x\u00e9t xem c\u00f3 c\u1eb7p s\u1ed1 n\u00e0o n\u1eb1m trong c\u00e1c s\u1ed1 8,2,1,0. N\u1ebfu c\u00f3, b\u1ea1n s\u1ebd l\u1ea5y ra c\u00e1c c\u1eb7p \u0111\u00f3 \u0111\u1ec3 nu\u00f4i l\u00f4 theo khung t\u1eeb 3-5 ng\u00e0y.<\/p>\nC\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1 mi\u1ec1n B\u1eafc<\/strong><\/h2>\n
C\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1 b\u1eb1ng c\u00e1ch ph\u01b0\u01a1ng ph\u00e1p b\u1eaft t\u1ed5ng \u0111\u1ec1<\/strong><\/h3>\n
C\u00e1ch gh\u00e9p gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1edbi gi\u1ea3i c\u00f3 3 s\u1ed1 gi\u1ed1ng nhau<\/strong><\/h3>\n
V\u00ed d\u1ee5 c\u1ee5 th\u1ec3:<\/h5>\n
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C\u00e1ch t\u00ednh l\u00f4 \u0111\u1ec1 b\u1eb1ng c\u00e1ch soi c\u1ea7u l\u00f4 k\u00e9o l\u00f4 t\u00f4<\/strong><\/h3>\n
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C\u00e1ch t\u00ednh x\u00e1c su\u1ea5t l\u00f4 \u0111\u1ec1 mi\u1ec1n Nam<\/strong><\/h2>\n
T\u00ednh l\u00f4 \u0111\u1ec1 ki\u1ec3u k\u1eb9p s\u1ed1<\/strong><\/h3>\n