{"id":17939,"date":"2024-04-28T04:09:34","date_gmt":"2024-04-28T04:09:34","guid":{"rendered":"https:\/\/soicau4006.minhngocxoso.com\/?p=17939"},"modified":"2024-04-28T04:09:34","modified_gmt":"2024-04-28T04:09:34","slug":"tuyet-chieu-cach-bat-tong-trong-lo-deban-da-biet","status":"publish","type":"post","link":"https:\/\/baolo247.com\/tuyet-chieu-cach-bat-tong-trong-lo-deban-da-biet\/","title":{"rendered":"tuy\u1ec7t chi\u00eau c\u00e1ch b\u1eaft t\u1ed5ng trong l\u00f4 \u0111\u1ec1,b\u1ea1n \u0111\u00e3 bi\u1ebft"},"content":{"rendered":"
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C\u00e1ch b\u1eaft t\u1ed5ng \u0111\u1eb7c bi\u1ec7t trong ch\u01a1i l\u00f4 \u0111\u1ec1 mi\u1ec1n B\u1eafc l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p kh\u00e1 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng b\u1edfi nh\u1eefng ng\u01b0\u1eddi ch\u01a1i chuy\u00ean nghi\u1ec7p, v\u1ec1 c\u01a1 b\u1ea3n th\u00ec khi b\u1eaft t\u1ed5ng \u0111\u1ec1 c\u0169ng \u0111\u01b0\u1ee3c chia ra l\u00e0m 2 d\u1ea1ng l\u00e0 \u0111\u01a1n gi\u1ea3n v\u00e0 c\u1ea7n \u0111\u1ea7u \u00f3c t\u00ednh to\u00e1n k\u1ef9 c\u00e0ng.<\/p>\n\n\n\n
Trong b\u00e0i n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u cho b\u1ea1n c\u00e1ch b\u1eaft c\u00e1c t\u1ed5ng trong l\u00f4 \u0111\u1ec1 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 s\u1ebd gi\u00fap cho ng\u01b0\u1eddi ch\u01a1i t\u0103ng t\u1ef7 l\u1ec7 tr\u00fang l\u00f4 \u0111\u1ec1 mi\u1ec1n B\u1eafc l\u00ean cao nh\u1ea5t.<\/p>\n\n\n\n
\u2013 D\u00f9ng 5 s\u1ed1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 5 s\u1ed1 gi\u1ea3i nh\u1ea5t gh\u00e9p l\u1ea1i v\u1edbi nhau, sau \u0111\u00f3 c\u1ed9ng ch\u00fang l\u1ea1i theo quy lu\u1eadt Pascal t\u1ee9c l\u00e0 c\u1ed9ng 3 s\u1ed1 li\u1ec1n nhau li\u00ean ti\u1ebfp.<\/p>\n\n\n\n
\u2013 N\u1ebfu t\u1ed5ng l\u1edbp h\u01a1n 10 ch\u1ec9 l\u1ea5y s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb.<\/p>\n\n\n\n
\u2013 C\u1ed9ng \u0111\u1ebfn khi ch\u1ec9 c\u00f2n l\u1ea1i 2 s\u1ed1 th\u00ec l\u1ea5y \u0111\u00e1nh l\u00f4 h\u00f4m sau.<\/p>\n\n\n\n
\u2013 C\u1ea7u n\u00e0y nu\u00f4i trong 3 ng\u00e0y.<\/p>\n\n\n\n
Ng\u00e0y 21\/7\/2024 ta c\u00f3 G\u0110B l\u00e0 20464, gi\u1ea3i nh\u1ea5t v\u1ec1 10454<\/p>\n\n\n\n
Gh\u00e9p s\u1ed1 l\u1ea1i ta \u0111\u01b0\u1ee3c 2046410454, c\u1ed9ng theo Pascal:<\/p>\n\n\n\n
2046410454<\/p>\n\n\n\n
240051499<\/p>\n\n\n\n
64056538<\/p>\n\n\n\n
0451181<\/p>\n\n\n\n
496299<\/p>\n\n\n\n
35818<\/p>\n\n\n\n
8399<\/p>\n\n\n\n
128<\/p>\n\n\n\n
30<\/p>\n\n\n\n
Ta c\u00f3 ng\u00e0y 24\/7\/2024 l\u00f4 v\u1ec1 30.<\/p>\n\n\n\n
C\u00e1ch n\u00e0y \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n nh\u01b0 sau: \u0110\u1ea7u ti\u00ean x\u00e1c \u0111\u1ecbnh m\u1ed1c ng\u00e0y b\u1eaft \u0111\u1ea7u t\u00ednh ta c\u00f3: Coi \u0111\u1ec1 ng\u00e0y th\u1ee9 nh\u1ea5t l\u00e0 AB, \u0111\u1ec1 v\u1ec1 ng\u00e0y th\u1ee9 hai l\u00e0 CD.<\/p>\n\n\n\n
Ta c\u00f3 A + B = E; C + D = F.<\/p>\n\n\n\n
X\u00e9t c\u00e1c tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra nh\u01b0 sau:<\/p>\n\n\n\n
+ Tr\u01b0\u1eddng h\u1ee3p 1: N\u1ebfu E < 10, F < 10 l\u1ea5y 10 \u2013 E = X, 10 \u2013 F = Y. \u0110\u00e1nh XY cho l\u00f4 ng\u00e0y th\u1ee9 3.<\/p>\n\n\n\n
+ Tr\u01b0\u1eddng h\u1ee3p 2: N\u1ebfu E > 10, F < 10 l\u1ea5y 20 \u2013 E = X, 10 \u2013 F = Y, \u0111\u00e1nh l\u00f4 XY ng\u00e0y th\u1ee9 3.<\/p>\n\n\n\n
+ Tr\u01b0\u1eddng h\u1ee3p 3: N\u1ebfu E > 10, F > 10 l\u1ea5y 20 \u2013 E = X, 20 \u2013 F = Y, \u0111\u00e1nh l\u00f4 ng\u00e0y th\u1ee9 3 l\u00e0 XY.<\/p>\n\n\n\n
+ Tr\u01b0\u1eddng h\u1ee3p 4: N\u1ebfu E < 10, F > 10. Ta l\u1ea5y hi\u1ec7u 10 \u2013 E = X, 20 \u2013 F = Y, ng\u00e0y th\u1ee9 3 \u0111\u00e1nh l\u00e0 YX.<\/p>\n\n\n\n
+ Tr\u01b0\u1eddng h\u1ee3p 5: E = 0 ho\u1eb7c 10, F = 0 ho\u1eb7c 10 th\u00ec X, Y \u0111\u1ec1u l\u00e0 0.<\/p>\n\n\n\n
\u2013 C\u1ea7u n\u00e0y c\u00f3 th\u1ec3 \u0111\u00e1nh li\u00ean t\u1ee5c trong 3 \u2013 4 ng\u00e0y.<\/p>\n\n\n\n
\u2013 N\u1ebfu h\u00f4m sau \u0111\u00e1nh m\u00e0 kh\u00f4ng v\u1ec1 th\u00ec ngh\u1ec9 1 ng\u00e0y, nh\u01b0ng c\u1ea7u l\u1ea1i ra \u0111\u00fang h\u00f4m ngh\u1ec9 th\u00ec b\u1ecf c\u1ea7u lu\u00f4n, c\u00f2n n\u1ebfu v\u1eabn kh\u00f4ng ra th\u00ec h\u00f4m ti\u1ebfp s\u1ebd v\u1ec1.<\/p>\n\n\n\n
\u2013 Tr\u01b0\u1eddng h\u1ee3p v\u1ec1 l\u1ed9n th\u00ec ngh\u1ec9 3, 4 ng\u00e0y r\u1ed3i m\u1edbi \u0111\u00e1nh l\u1ea1i c\u1ea7u n\u00e0y.<\/p>\n\n\n\n
\u2013 N\u1ebfu c\u1ea7u n\u00e0y kh\u00f4ng v\u1ec1 trong 5, 6 ng\u00e0y th\u00ec ngh\u1ec9 ng\u00e0y th\u1ee9 7 sau \u0111\u00f3 \u0111\u00e1nh 3 ng\u00e0y ti\u1ebfp, th\u1ea5y ng\u00e0y th\u1ee9 7 ra th\u00ec \u0111\u00e1nh c\u1ea7u n\u00e0y v\u00e0o ng\u00e0y th\u1ee9 8.<\/p>\n\n\n\n
C\u00e1ch b\u1eaft c\u00e1c t\u1ed5ng \u0111\u1ec1 trong l\u00f4 \u0111\u1ec1, s\u1ed1 \u0111\u1ec1 mi\u1ec1n B\u1eafc hay hi\u1ec7n nay tr\u00ean \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p b\u1eaft t\u1ed5ng chu\u1ea9n v\u1edbi x\u00e1c su\u1ea5t cao nh\u1ea5t. Ch\u00fac b\u1ea1n may m\u1eafn!<\/p>\n\n\n
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