{"id":18047,"date":"2024-05-05T03:13:31","date_gmt":"2024-05-05T03:13:31","guid":{"rendered":"https:\/\/soicau5066.minhngocxoso.com\/?p=18047"},"modified":"2024-05-05T03:13:31","modified_gmt":"2024-05-05T03:13:31","slug":"soi-cau-lo-de-chinh-xac-nhat","status":"publish","type":"post","link":"https:\/\/dudoansoicau.com\/soi-cau-lo-de-chinh-xac-nhat\/","title":{"rendered":"soi c\u1ea7u l\u00f4 \u0111\u1ec1 ch\u00ednh x\u00e1c nh\u1ea5t"},"content":{"rendered":"\n
H\u00f4m nay, ad mu\u1ed1n chia s\u1ebb cho c\u00e1c b\u1ea1n m\u1ed9t quy lu\u1eadt \u0111\u1ec3 soi c\u1ea7u l\u00f4 ch\u00ednh x\u00e1c t\u1edbi 85%, c\u00f9ng theo d\u00f5i b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9:<\/p>\n\n\n\n
B\u1ea1n c\u00f3 bi\u1ebft 99% con s\u1ed1 \u0111\u00e3 xu\u1ea5t hi\u1ec7n \u1edf gi\u1ea3i 7 c\u1ee7a ng\u00e0y h\u00f4m tr\u01b0\u1edbc s\u1ebd v\u1ec1 \u0111\u1ec1 c\u1ee7a ng\u00e0y h\u00f4m sau. \u0110\u00e2y l\u00e0 1 ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 \u00e1p d\u1ee5ng.<\/p>\n\n\n\n
Ta l\u1ea5y t\u1ed5ng 2 s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y th\u1ee9 2, th\u01b0\u1eddng s\u1ebd v\u1ec1 \u0111\u1ea7u ho\u1eb7c cu\u1ed1i \u0111\u1ec1 c\u1ee7a tu\u1ea7n sau.
V\u00ed d\u1ee5 nh\u01b0 sau: N\u1ebfu th\u1ee9 2, ng\u00e0y 20\/7 c\u00f3 k\u1ebft qu\u1ea3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t 54179 = 7+9 = 16 (l\u1ea5y s\u1ed1 6 nh\u01b0 ch\u01a1i 3 c\u00e2y). Tu\u1ea7n sau ng\u00e0y 1\/8 \u0111\u1ec1 v\u1ec1 36, nu\u00f4i \u0111\u1ec1 \u0111\u1ea7u 6 \u2013 \u0111\u00edt 6 l\u00e0 s\u1ebd \u0103n ch\u1eafc trong tu\u1ea7n sau.<\/p>\n\n\n\n
C\u00e1c b\u1ea1n \u0111\u1ec3 \u00fd gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a ng\u00e0y th\u1ee9 3 h\u00e0ng tu\u1ea7n, con s\u1ed1 gi\u1eefa s\u1ebd v\u1ec1 \u0111\u1ea7u ho\u1eb7c cu\u1ed1i trong tu\u1ea7n sau, ch\u1ecbu kh\u00f3 nu\u00f4i l\u00e0 c\u00f3 th\u1ec3 \u0103n.<\/p>\n\n\n\n
C\u00f2n n\u1ebfu th\u1ea5y C-M = x v\u00e0 D-N= x ( x l\u00e0 s\u1ed1 \u00e2m ho\u1eb7c d\u01b0\u01a1ng) Ng\u00e0y th\u1ee9 3 \u0111\u00e1nh l\u00f4 BA<\/p>\n\n\n\n
\u0110\u1ec1 ng\u00e0y 1 = 35 -> l\u00f4 ng\u00e0y 3 = 13. Nh\u01b0ng t\u1ed5ng ng\u00e0y 2 c\u0169ng = 35 -> 13 => ng\u00e0y 3 \u0111\u00e1nh l\u00f4 31<\/p>\n\n\n\n
B\u1ea1n xem ng\u00e0y th\u1ee9 2 v\u1ec1 CD m\u00e0 = AB, th\u00ec ng\u00e0y th\u1ee9 3 ta s\u1ebd \u0111\u00e1nh l\u00f4 BA<\/p>\n\n\n\n
C\u00e1c b\u1ea1n \u0111\u1ec3 \u00fd n\u1ebfu t\u1ed5ng 5 s\u1ed1 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a ng\u00e0y th\u1ee9 2 = MN ho\u1eb7c AB, ng\u00e0y th\u1ee9 3 ta s\u1ebd \u0111\u00e1nh BA<\/p>\n\n\n\n
M\u1ed9t c\u00e1ch t\u00ecm kh\u00e1c c\u00f3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y :
N\u1ebfu khi c\u00f3 k\u1ebft qu\u1ea3 CD , th\u00ec ta s\u1ebd xem b\u1ea3ng l\u00f4 ng\u00e0y th\u1ee9 nh\u1ea5t n\u1ebfu CD c\u00f3 2 ng\u00e0y v\u00e0 CE c\u00f3 1 nh\u00e1y ( E l\u00e0 b\u00f3ng c\u1ee7a D) . Ng\u00e0y th\u1ee9 3 ta s\u1ebd \u0111\u00e1nh l\u00f4 t\u1eeb CE=> (\u00e2m d\u01b0\u01a1ng ng\u0169 h\u00e0nh)
VD: ng\u00e0y 2 \u0111\u1ec1 v\u1ec1 35, ng\u00e0y 1 c\u00f3 l\u00f4 35 l\u00e0 2 nh\u00e1y, l\u00f4 30 c\u00f3 m\u1ed9t ph\u00e1t -> l\u00f4 ng\u00e0y th\u1ee9 3 = 18 ( v\u00ec 3->1 ; 0->8)<\/p>\n\n\n\n
B\u1ea1n \u0111\u1ec3 \u00fd n\u1ebfu k\u1ebft qu\u1ea3 ng\u00e0y h\u00f4m tr\u01b0\u1edbc \u0111\u1ea7u c\u00e2m 0 v\u00e0 c\u00e2m 8 h\u00f4m sau s\u1ebd ra r\u01a1i: 00 \u2013 80 \u2013 81 \u2013 82 \u2013 86<\/p>\n\n\n\n
D\u1ef1a v\u00e0o quy lu\u1eadt tr\u00ean \u0111\u00e2y c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 tin \u00e1p d\u1ee5ng \u0111\u1ec3 ch\u01a1i nh\u1eefng con l\u00f4 m\u00e0 b\u1ea1n mong mu\u1ed1n, c\u00f3 th\u1ec3 l\u00e0 b\u1ea1ch th\u1ee7 l\u00f4, song th\u1ee7 l\u00f4 k\u00e9p,..vv. C\u00f3 th\u1ec3 s\u1ebd kh\u00f4ng ch\u00ednh x\u00e1c ho\u00e0n to\u00e0n 100% nh\u01b0ng v\u1edbi nhi\u1ec1u n\u0103m kinh nghi\u1ec7m v\u00e0 t\u00edch l\u0169y th\u00ec ch\u00fang t\u00f4i th\u1ea5y \u0111\u00e2y l\u00e0 c\u00e1ch t\u00ednh to\u00e1n c\u00f3 x\u00e1c su\u1ea5t ph\u1ea7n tr\u0103m kh\u00e1 cao. C\u00e1c b\u1ea1n h\u00e3y th\u1eed \u00e1p d\u1ee5ng v\u00e0 ch\u01a1i nh\u00e9. Ch\u00fac c\u00e1c b\u1ea1n th\u00e0nh c\u00f4ng.<\/p>\n\n\n
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