H\u01b0\u1edbng d\u1eabn ch\u01a1i ba c\u00e0ng chu\u1ea9n v\u00e0 mi\u1ec5n ph\u00ed l\u00e0 b\u00e0i vi\u1ebft m\u00e0 ch\u00fang t\u00f4i <\/strong>mu\u1ed1n g\u1eedi \u0111\u1ebfn qu\u00fd h\u1ed9i vi\u00ean ng\u00e0y h\u00f4m nay. \u0110\u1ec3 c\u00f3 th\u1ec3 n\u1eafm r\u00f5 t\u1eebng khai ni\u1ec7m, c\u0169ng nh\u01b0 c\u00e1ch soi c\u1ea7u v\u00e0 v\u00e0o ti\u1ec1n, ch\u00fang ta c\u00f9ng \u0111i t\u00ecm hi\u1ec3u nh\u00e9.<\/em><\/p>\n \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1 l\u00e2u n\u0103m, kh\u00e1i ni\u1ec7m c\u0169ng nh\u01b0 m\u1ee9c l\u00e3i c\u1ef1c cao khi ch\u01a1i 3 c\u00e0ng \u0111\u00e3 kh\u00f4ng m\u1ea5y xa l\u1ea1. Tuy nhi\u00ean, v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi t\u1eadp t\u00e0nh ch\u01a1i s\u1ed1, kh\u1ed1i l\u01b0\u1ee3ng th\u00f4ng tin c\u1ea7n thi\u1ebft ph\u1ea3i n\u1eafm l\u00e0 kh\u00e1 nhi\u1ec1u.<\/p>\n – 3 c\u00e0ng l\u00f4 l\u00e0 3 con s\u1ed1 cu\u1ed1i c\u1ee7a m\u1ed7i gi\u1ea3i, bao g\u1ed3m h\u00e0ng tr\u0103m, h\u00e0ng ch\u1ee5c v\u00e0 h\u00e0ng \u0111\u01a1n v\u1ecb. 3 c\u00e0ng \u0111\u1ec1 c\u0169ng c\u00f3 v\u1ecb tr\u00ed t\u01b0\u01a1ng t\u1ef1, l\u00e0 3 con s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t (\u0111\u1ec1).<\/p>\n – V\u00ec t\u1ef7 l\u1ec7 tr\u00fang 3 c\u00e0ng kh\u00f4ng cao, n\u00ean t\u1ef7 l\u1ec7 \u0103n c\u1ee7a lo\u1ea1i h\u00ecnh n\u00e0y ph\u1ea3i n\u00f3i l\u00e0 v\u00f4 c\u00f9ng l\u1edbn. Nhi\u1ec1u h\u1ed9i vi\u00ean \u0111\u00e3 chuy\u1ec3n t\u1eeb ch\u01a1i 2 c\u00e0ng (h\u00e0ng ch\u1ee5c v\u00e0 h\u00e0ng \u0111\u01a1n v\u1ecb m\u1ed7i gi\u1ea3i) sang ch\u01a1i 3 c\u00e0ng v\u1edbi hi v\u1ecdng c\u00f3 th\u1ec3 \u0111\u1ed5i \u0111\u1eddi sau m\u1ed9t \u0111\u00eam. Tuy nhi\u00ean, d\u00f9 b\u1ea5t k\u00ec h\u00ecnh th\u1ee9c ch\u01a1i n\u00e0o, n\u1ebfu kh\u00f4ng c\u00f3 s\u1ef1 chu\u1ea9n b\u1ecb l\u1eabn am hi\u1ec3u, vi\u1ec7c tr\u1eafng tay l\u00e0 \u0111i\u1ec1u kh\u00f3 c\u00f3 th\u1ec3 tr\u00e1nh kh\u1ecfi.<\/p>\n <\/p>\n Quy lu\u1eadt c\u1ee7a nh\u1eefng con s\u1ed1 l\u00e0 b\u00e0i to\u00e1n m\u00e0 nh\u1eefng ng\u01b0\u1eddi ch\u01a1i kinh nghi\u1ec7m l\u00e2u n\u0103m \u0111\u00e3 t\u00ecm ra v\u00e0 truy\u1ec1n l\u1ea1i kh\u00e1 l\u00e2u. Th\u00f4ng tin v\u1ec1 con s\u1ed1 h\u00f4m nay n\u1ed5 h\u00f4m sau c\u00f3 th\u1ec3 \u0111\u00e1nh con g\u00ec v\u1edbi x\u00e1c su\u1ea5t bao nhi\u00eau, hay nh\u1eefng d\u1eef li\u1ec7u h\u1eb1ng tu\u1ea7n, h\u00e0ng th\u00e1ng ho\u1eb7c h\u00e0ng n\u0103m v\u1ec1 c\u00e1c con s\u1ed1 \u0111\u1ec1u l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ec3 ng\u01b0\u1eddi ch\u01a1i b\u1eaft 3 c\u00e0ng \u0111\u01b0\u1ee3c chu\u1ea9n nh\u1ea5t<\/p>\n \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p<\/strong> th\u1ed1ng k\u00ea t\u1ea7n su\u1ea5t nh\u1eefng con l\u00f4 ra tr\u01b0\u1edbc \u0111\u00f3, k\u00e8m theo c\u00e0ng (t\u1ee9c con s\u1ed1 h\u00e0ng tr\u0103m) v\u00e0 t\u00ednh to\u00e1n, l\u1ecdc s\u1ed1 \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n nh\u1eefng con 3 c\u00e0ng c\u00f3 kh\u1ea3 n\u0103ng cao s\u1ec5 v\u1ec1 ng\u00e0y ti\u1ebfp theo l\u00e0 g\u00ec.<\/p>\n Ph\u01b0\u01a1ng ph\u00e1p b\u1eaft 3 c\u00e0ng l\u00f4 d\u1ef1a v\u00e0o gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u00f9ng gi\u1ea3i 7 c\u0169ng \u0111\u01b0\u1ee3c kh\u00e1 nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i l\u00e2u n\u0103m \u00e1p d\u1ee5ng. Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o quy lu\u1eadt v\u00e0 t\u1ea7n su\u1ea5t c\u1ee7a 2 gi\u1ea3i n\u00e0y, \u0111\u1ec3 t\u00ecm ra con s\u1ed1 ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 mang l\u1ea1i may m\u1eafn v\u00e0 t\u00e0i l\u1ed9c \u0111\u1ebfn cho m\u00ecnh.<\/p>\n C\u00e1ch th\u1ee9c b\u1eaft 3 c\u00e0ng l\u00f4 theo ph\u01b0\u01a1ng ph\u00e1p n\u00e0y nh\u01b0 sau: L\u1ea5y k\u1ebft qu\u1ea3 2 con l\u00f4 c\u1ee7a gi\u1ea3i 7 k\u1ebft h\u1ee3p v\u1edbi 1 trong 5 c\u00e0ng l\u1ea5y t\u01b0 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t, s\u1ebd ra \u0111\u01b0\u1ee3c d\u00e0n 3 c\u00e0ng l\u00f4 c\u00f3 x\u00e1c su\u1ea5t n\u1ed5 kh\u00e1 cao<\/p>\n V\u00ed d\u1ee5:<\/strong><\/u> K\u1ebft qu\u1ea3 XSMB ng\u00e0y 13-05-2024 c\u00f3 gi\u1ea3i 7 l\u1ea7n l\u01b0\u1ee3t l\u00e0 50, 63, 39, 17. gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 12795 t\u1ea1o th\u00e0nh 5 c\u00e0ng t\u01b0\u01a1ng \u1ee9ng l\u00e0 1,2,7,9,5<\/p>\n1\/ 3 c\u00e0ng l\u00f4 mi\u1ec1n B\u1eafc \u0103n bao nhi\u00eau<\/span><\/h1>\n
1 – 3 c\u00e0ng l\u00f4, 3 c\u00e0ng \u0111\u1ec1 l\u00e0 g\u00ec?<\/span><\/h2>\n
2\/ Ph\u01b0\u01a1ng ph\u00e1p b\u1eaft 3 c\u00e0ng chu\u1ea9n <\/span><\/h1>\n
2.1 Ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng: Kinh nghi\u1ec7m b\u1ea1c nh\u1edb <\/span><\/h2>\n
2.2 D\u1ef1a v\u00e0o gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i 7<\/span><\/h2>\n
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