{"id":17983,"date":"2024-02-09T22:07:41","date_gmt":"2024-02-09T22:07:41","guid":{"rendered":"https:\/\/soicau2065.minhngocxoso.com\/?p=17983"},"modified":"2024-02-09T22:07:41","modified_gmt":"2024-02-09T22:07:41","slug":"cac-buoc-bat-song-thu-khung-3-ngay-sieu-chuan","status":"publish","type":"post","link":"https:\/\/tuvanbachthulo.com\/cac-buoc-bat-song-thu-khung-3-ngay-sieu-chuan\/","title":{"rendered":"c\u00e1c b\u01b0\u1edbc b\u1eaft song th\u1ee7 khung 3 ng\u00e0y si\u00eau chu\u1ea9n"},"content":{"rendered":"

C\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch \u0111\u1ec3 ch\u01a1i l\u00f4 \u0111\u1ec1 hi\u1ec7u qu\u1ea3. Tuy nhi\u00ean \u0111\u1ec3 mang \u0111\u1ebfn chi\u1ebfn th\u1eafng l\u1edbn th\u00ec kh\u00f4ng ph\u1ea3i ai c\u00f3 \u0111\u01b0\u1ee3c. \u0110i\u1ec1u n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o ph\u01b0\u01a1ng ph\u00e1p, c\u00e1ch th\u1ef1c hi\u1ec7n c\u1ee7a c\u00e1c b\u1ea1n. Trong \u0111\u00f3 song th\u1ee7 khung 3 ng\u00e0y l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch ch\u01a1i \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi l\u1ef1a ch\u1ecdn. C\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1ch ch\u01a1i n\u00e0y qua b\u00e0i vi\u1ebft sau.<\/p>\n

Song th\u1ee7 khung 3 ng\u00e0y l\u00e0 g\u00ec?<\/h3>\n

\u0110\u1ec3 t\u00ecm hi\u1ec3u song th\u1ee7 l\u00f4 l\u00e0 g\u00ec tr\u01b0\u1edbc h\u1ebft c\u00e1c b\u1ea1n c\u1ea7n hi\u00eau l\u00f4 \u0111\u1ec1 l\u00e0 tr\u00f2 ch\u01a1i g\u00ec. \u0110\u00e2y l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i c\u00e1 c\u01b0\u1ee3c xu\u1ea5t hi\u1ec7n t\u1eeb r\u1ea5t l\u00e2u trong d\u00e2n gian v\u00e0 duy tr\u00ec \u0111\u1ebfn t\u1eadn b\u00e2y gi\u1edd. L\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp t\u1eeb c\u00f4ng ty x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft Th\u1ee7 \u0110\u00f4, s\u1edf d\u0129 \u0111\u01b0\u1ee3c g\u1ecdi v\u1edbi c\u00e1i t\u00ean l\u00f4 \u0111\u1ec1 l\u00e0 do t\u1ec9 l\u1ec7 \u0111\u00e1nh 1 \u0103n 1 c\u1ee7a n\u00f3.<\/p>\n

Song th\u1ee7 l\u00f4 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p khi ch\u01a1i l\u00f4 \u0111\u1ec1. Ng\u01b0\u1eddi ch\u01a1i s\u1ebd l\u1ef1a ch\u1ecdn ra 2 c\u1eb7p s\u1ed1 bao g\u1ed3m 2 s\u1ed1 m\u00e0 b\u1ea1n cho r\u1eb1ng c\u00f3 c\u01a1 h\u1ed9i v\u1ec1 cao nh\u1ea5t. \u0110\u1eb7c bi\u1ec7t l\u00e0 ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng xu\u1ea5t hi\u1ec7n trong b\u1ea3ng x\u1ed5 s\u1ed1 ng\u00e0y h\u00f4m \u0111\u00f3. C\u00f3 nhi\u1ec1u ng\u01b0\u1eddi b\u1ecb nh\u1ea7m l\u1eabn gi\u1eefa c\u00e1ch ch\u01a1i song th\u1ee7 l\u00f4 v\u00e0 l\u00f4 xi\u00ean. B\u1edfi v\u00ec 2 h\u00ecnh th\u1ee9c n\u00e0y \u0111\u1ec1u l\u00e0 ch\u1ecdn ra 2 con s\u1ed1 c\u00f3 kh\u1ea3 n\u0103ng xu\u1ea5t hi\u1ec7n nhi\u1ec1u nh\u1ea5t.<\/p>\n

C\u00e1c b\u1ea1n c\u1ea7n ph\u1ea3i ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c r\u1eb1ng v\u1edbi song th\u1ee7 l\u00f4 th\u00ec b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c c\u01b0\u1ee3c v\u00e0o 2 con l\u00f4, n\u1ebfu k\u1ebft qu\u1ea3 v\u1ec1 1 trong 2 th\u00ec b\u1ea1n v\u1eabn \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 th\u1eafng 1 con. C\u00f2n v\u1edbi l\u00f4 xi\u00ean th\u00ec b\u1ea1n bu\u1ed9c ph\u1ea3i tr\u00fang c\u1ea3 2 th\u00ec m\u1edbi c\u00f3 th\u1ec3 th\u1eafng.<\/p>\n

<\/div>\n

C\u00e1c b\u01b0\u1edbc b\u1eaft song th\u1ee7 khung 3 ng\u00e0y si\u00eau chu\u1ea9n<\/h3>\n

\u0110\u1ec3 ch\u01a1i song th\u1ee7 khung 3 ng\u00e0y ch\u00ednh x\u00e1c c\u00e1c b\u1ea1n h\u00e3y th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc sau \u0111\u00e2y:<\/p>\n

\"\"<\/p>\n

B\u01b0\u1edbc 1<\/h4>\n

Tr\u01b0\u1edbc ti\u00ean b\u1ea1n c\u1ea7n ph\u1ea3i x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c gi\u1ea3i th\u01b0\u1edfng c\u1ee7a c\u00e1ch soi c\u1ea7u n\u00e0y. Th\u00f4ng th\u01b0\u1eddng th\u00ec s\u1ebd soi song th\u1ee7 l\u00f4 d\u1ef1a v\u00e0o 2 gi\u1ea3i trong k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc. \u0110\u00f3 l\u00e0 d\u00e3y s\u1ed1 c\u1ee7a gi\u1ea3i 2.1 v\u00e0 d\u00e3y s\u1ed1 3.1. \u0110\u00e2y l\u00e0 v\u1ecb tr\u00ed th\u01b0\u1eddng xuy\u00ean xu\u1ea5t hi\u1ec7n c\u1ee7a song th\u1ee7 l\u00f4.<\/p>\n

B\u01b0\u1edbc 2<\/h4>\n

B\u01b0\u1edbc ti\u1ebfp theo \u0111\u00f3 l\u00e0 gh\u00e9p c\u1ea7u v\u1eeba t\u00ecm \u0111\u01b0\u1ee3c \u0111\u1ec3 t\u1ea1o th\u00e0nh song th\u1ee7 l\u00f4. C\u00e1c b\u1ea1n ch\u1ec9 vi\u1ec7c gh\u00e9p l\u1ea7n l\u01b0\u1ee3t s\u1ed1 th\u1ee9 4 trong d\u00e3y s\u1ed1 c\u1ee7a gi\u1ea3i 2.1 v\u1edbi hai s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i 3.1 l\u00e0 s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c 2 s\u1ed1 \u0111\u1eb9p nh\u1ea5t \u0111\u1ec3 ch\u01a1i.<\/p>\n

V\u00ed d\u1ee5: N\u1ebfu \u1edf b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc h\u00f4m nay v\u1ec1 gi\u1ea3i 2.1 l\u00e0 45830 v\u00e0 gi\u1ea3i 3.1 c\u00f3 k\u1ebft qu\u1ea3 l\u00e0 49573. C\u00e1c b\u1ea1n th\u1ef1c hi\u1ec7n gh\u00e9p s\u1ed1 nh\u01b0 \u1edf tr\u00ean s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c 2 con l\u00f4 l\u00e0 30 v\u00e0 73. C\u00e1c b\u1ea1n \u0111\u00e1nh ngay con 30-73.<\/p>\n

B\u01b0\u1edbc 3<\/h4>\n

\u0110\u1ec3 ch\u1eafc ch\u1eafn v\u1edbi con s\u1ed1 m\u00ecnh \u0111\u00e3 l\u1ef1a ch\u1ecdn b\u1ea1n n\u00ean tr\u1ea3i qua b\u01b0\u1edbc th\u1ee9 3. \u0110\u00f3 l\u00e0 ph\u00e2n t\u00edch, t\u00ednh to\u00e1n \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh c\u00f3 \u0111\u00e1nh l\u00f4 l\u1ed9n n\u1eefa hay kh\u00f4ng? Th\u1ef1c hi\u1ec7n theo 2 b\u01b0\u1edbc tr\u00ean b\u1ea1n s\u1ebd t\u00ecm ra \u0111\u01b0\u1ee3c 2 l\u00f4 \u0111\u00f3 l\u00e0 30-73. Th\u00f4ng th\u01b0\u1eddng \u0111\u1ed1i v\u1edbi song th\u1ee7 l\u00f4 th\u00ec th\u01b0\u1eddng v\u1ec1 c\u1ea3 l\u00f4 l\u1ed9n. V\u00ec v\u1eady \u1edf b\u01b0\u1edbc n\u00e0y b\u1ea1n s\u1ebd xem x\u00e9t n\u00ean \u0111\u00e1nh 30 hay 03, 73 hay 37. C\u00e1c b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\n

D\u00f9ng s\u1ed1 th\u1ee9 2 c\u1ee7a gi\u1ea3i 2.1 gh\u00e9p v\u1edbi c\u00e1c s\u1ed1 th\u1ee9 2, th\u1ee9 3 c\u1ee7a gi\u1ea3i 3.1. L\u00fac n\u00e0y c\u00e1c b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c c\u00e1c con s\u1ed1 kh\u00e1c. \u0110\u1ec3 bi\u1ebft con s\u1ed1 \u0111\u00f3 c\u00f3 l\u1ed9n kh\u00f4ng th\u00ec b\u1ea1n c\u1ea7n x\u00e9t quy t\u1eafc sau:<\/p>\n