Soi c\u1ea7u XSMB theo ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng hi\u1ec7u gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong> l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u l\u00f4 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao. Ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u l\u00f4 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u00ecnh \u00e1p d\u1ee5ng \u0111\u1ec3 c\u1eadp nh\u1eadt trong c\u00e1c b\u00e0i d\u1ef1 \u0111o\u00e1n XSMB h\u00e0ng ng\u00e0y \u0111\u1ec3 anh em tham kh\u1ea3o. Tuy n\u00f3 kh\u00f4ng d\u1ef1a v\u00e0o th\u1ed1ng k\u00ea x\u00e1c su\u1ea5t khoa h\u1ecdc nh\u01b0ng l\u1ea1i c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao. C\u00e1ch soi c\u1ea7u n\u00e0y d\u1ef1a v\u00e0o t\u1ed5ng hi\u1ec7u gi\u1eefa c\u00e1c v\u1ecb tr\u00ed c\u1ee7a c\u00e1c s\u1ed1 trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. \u1ede b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y m\u00ecnh s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1c b\u1ea1n c\u00e1ch soi c\u1ea7u theo ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng hi\u1ec7u n\u00e0y.<\/p>\n \u0110\u1ec3 soi c\u1ea7u XSMB theo ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng hi\u1ec7u ch\u00fang ta l\u00e0m theo c\u00e1c b\u01b0\u1edbc d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n B\u01b0\u1edbc 1:<\/strong> Ch\u00fang ta x\u00e9t gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 trong ng\u00e0y h\u00f4m nay: ABCDE<\/span><\/strong>.<\/p>\n L\u1ea5y v\u00ed d\u1ee5 ng\u00e0y 2\/10\/2024 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0: 23881.<\/p>\n B\u01b0\u1edbc 2:<\/strong> Ch\u00fang ta l\u1ea5y hi\u1ec7u A \u2013 C = X v\u00e0 E \u2013 C = Y. Ta s\u1ebd \u0111\u01b0\u1ee3c l\u00f4 XY.<\/p>\n V\u00ed d\u1ee5:<\/em><\/strong> \u1ede ng\u00e0y 2\/10\/2024 ch\u00fang ta c\u00f3 A = 2, C = 8, E = 1<\/p>\n L\u01b0u \u00fd:<\/em><\/strong> N\u1ebfu A l\u1edbn h\u01a1n C th\u00ec X = A \u2013 C. C\u00f2n n\u1ebfu A b\u00e9 h\u01a1n C th\u00ec X = C \u2013 A. T\u00ecm Y c\u0169ng t\u01b0\u01a1ng t\u1ef1.<\/p>\n B\u01b0\u1edbc 3:<\/strong> Ch\u00fang ta \u0111\u00e1nh c\u1eb7p XY \u2013 YX khung 3 ng\u00e0y v\u1edbi t\u1ef7 l\u1ec7 1:3:10 (ng\u00e0y 1 \u0111\u00e1nh 10 \u0111i\u1ec3m m\u1ed9t con kh\u00f4ng tr\u00fang th\u00ec ng\u00e0y 2 \u0111\u00e1nh 30 \u0111i\u1ec3m m\u1ed9t con, ng\u00e0y cu\u1ed1i 3 \u0111\u00e1nh 100 \u0111i\u1ec3m 1 con). C\u00e1c b\u1ea1n \u0111\u00e1nh c\u1eb7p s\u1ed1 soi \u0111\u01b0\u1ee3c trong 3 ng\u00e0y khi n\u00e0o tr\u00fang th\u00ed b\u1ecf, n\u1ebfu kh\u00f4ng v\u1ec1 c\u0169ng b\u1ecf.<\/p>\n V\u00ed d\u1ee5: Ng\u00e0y 2\/10\/2024 ta t\u00ednh \u0111\u01b0\u1ee3c XY = 67, th\u00ec ng\u00e0y 3\/10\/2024 ch\u00fang ta \u0111\u00e1nh c\u1eb7p 676. K\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 MB 3\/10\/2024 \u0111\u00e3 v\u1ec1 l\u00f4 67.<\/p>\n \u0110\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c cao khi \u00e1p d\u1ee5ng soi c\u1ea7u XSMB theo ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng hi\u1ec7u gi\u1ea3i \u0111\u1eb7c bi\u1ec7t, c\u00e1c b\u1ea1n c\u1ea7n l\u01b0u \u00fd m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n N\u1ebfu A l\u00e0 b\u00f3ng d\u01b0\u01a1ng c\u1ee7a C ho\u1eb7c E l\u00e0 b\u00f3ng d\u01b0\u01a1ng c\u1ee7a C th\u00ec khi t\u00ecm X v\u00e0 Y ch\u00fang ta kh\u00f4ng d\u00f9ng ph\u00e9p tr\u1eeb m\u00e0 ta s\u1ebd d\u00f9ng ph\u00e9p c\u1ed9ng.<\/p>\n N\u1ebfu t\u1ed3n t\u1ea1i 0 v\u00e0 6 l\u00e0 hi\u1ec7u c\u1ee7a nhau th\u00ec khi 0 bi\u1ebfn th\u00e0nh 1 l\u00e0 b\u00f3ng c\u1ee7a 6. Nh\u01b0ng ch\u00fang ta v\u1eabn kh\u00f4ng d\u00f9ng c\u1ed9ng nh\u01b0 tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t 1 (1 l\u00e0 b\u00f3ng c\u1ee7a 6) m\u00e0 v\u1eabn d\u00f9ng ph\u00e9p tr\u1eeb l\u00e0 6 \u2013 1 = 5.<\/p>\n Khi x\u1ea3y ra tr\u01b0\u1eddng h\u1ee3p n\u1ebfu t\u1ed3n t\u1ea1i 0 v\u00e0 5 l\u00e0 hi\u1ec7u c\u1ee7a nhau th\u00ec 0 s\u1ebd bi\u1ebfn th\u00e0nh 1. V\u00e0 khi t\u00ecm X,Y ta s\u1ebd d\u00f9ng ph\u00e9p c\u1ed9ng 5+1 = 6 (do ta x\u00e9t 0 b\u00f3ng 5 ch\u1ee9 kh\u00f4ng x\u00e9t khi 0 bi\u1ebfn th\u00e0nh 1).<\/p>\n Trong tr\u01b0\u1eddng h\u1ee3p n\u1ebfu X = Y th\u00ec ta s\u1ebd s\u1ebd \u0111\u00e1nh c\u1eb7p CX, XC khung 3 ng\u00e0y nh\u00e9.<\/p>\n Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u00e1c b\u1ea1n kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u XSMB theo ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng hi\u1ec7u nh\u01b0 d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n Khi t\u00ecm ra c\u1eb7p XY nh\u01b0ng ta th\u1ea5y c\u1eb7p XY, YX v\u1ec1 2 nh\u00e1y ho\u1eb7c v\u1ec1 c\u1ea3 c\u1eb7p th\u00ec kh\u00f4ng n\u00ean \u0111\u00e1nh. V\u00ec n\u1ebfu ra nh\u01b0 th\u1ebf th\u00ec x\u00e1c su\u1ea5t 2 ng\u00e0y h\u00f4m sau ra XYX s\u1ebd kh\u00f3 h\u01a1n.<\/p>\n V\u00ed d\u1ee5: Ng\u00e0y 28\/9\/2024 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 59416<\/p>\n Ta c\u00f3 X = 5 \u2013 4 = 1, Y = 6 \u2013 4 = 2. Ta t\u00ecm \u0111\u01b0\u1ee3c c\u1eb7p 121.<\/p>\n Tuy nhi\u00ean ng\u00e0y 28\/9\/2024 ta c\u00f3 l\u00f4 12 v\u1ec1 2 nh\u00e1y n\u00ean c\u1ea7u n\u00e0y ng\u00e0y 29\/9\/2024 kh\u00f4ng n\u00ean ch\u01a1i.<\/p>\n N\u1ebfu x\u1ea3y ra c\u00f9ng l\u00fac 2 tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t 2 v\u00e0 3 th\u00ec kh\u00f4ng n\u00ean \u0111\u00e1nh. (tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t 2 v\u00e0 3)<\/p>\n V\u00ed d\u1ee5:<\/em><\/strong> Ng\u00e0y 9\/8\/2024 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 25002.<\/p>\n Ta c\u00f3 X = 2 \u2013 1 = 1. (Tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t 2)<\/p>\n Ta c\u00f3 Y = 2 \u2013 1 \u2013 1.<\/p>\n Nh\u01b0 v\u1eady X = Y = 1 (tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t 3)<\/p>\n C\u1eady \u1edf 9\/8\/2024 t\u1ed3n t\u1ea1i c\u1ea3 tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t 2 v\u00e0 3 n\u00ean kh\u00f4ng n\u00ean \u0111\u00e1nh.<\/p>\n Khi \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u t\u1ed5ng hi\u1ec7u m\u00e0 \u0111\u00e1nh tr\u00fang c\u1ea3 c\u1eb7p th\u00ec ngh\u1ec9 2 ng\u00e0y.<\/p>\n N\u1ebfu hai ng\u00e0y li\u00ean ti\u1ebfp c\u1ea7u \u0111\u1ec1u tr\u00fang c\u1ea3 2 c\u1eb7p th\u00ec ta ngh\u1ec9 4 ng\u00e0y t\u00ednh t\u1eeb ng\u00e0y v\u1ec1 g\u1ea7n nh\u1ea5t. (3 ng\u00e0y li\u00ean ti\u1ebfp th\u00ec ngh\u1ec9 6 ng\u00e0y).<\/p>\n Trong nh\u1eefng ng\u00e0y ngh\u1ec9 ta v\u1eabn soi c\u1ea7u b\u00ecnh th\u01b0\u1eddng nh\u01b0ng kh\u00f4ng \u0111\u00e1nh, n\u1ebfu c\u1ea7u \u0111\u00f3 v\u1ec1 c\u1ea3 c\u1eb7p th\u00ec ta l\u1ea1i ngh\u1ec9 2 ng\u00e0y ti\u1ebfp theo.<\/p>\n N\u1ebfu ta soi \u0111\u01b0\u1ee3c m\u1ed9t c\u1eb7p l\u00f4 m\u00e0 trong \u0111\u00f3 c\u00f3 1 con l\u00f4 gan tr\u00ean 10 ng\u00e0y th\u00ec ch\u00fang ta s\u1ebd b\u1ecf lu\u00f4n c\u1ea7u n\u00e0y kh\u00f4ng n\u00ean theo. V\u00ec c\u00e1c c\u1eb7p s\u1ed1 c\u00f3 l\u00f4 gan x\u00e1c xu\u1ea5t ra s\u1ebd th\u1ea5p h\u01a1n c\u00e1c c\u1eb7p s\u1ed1 b\u00ecnh th\u01b0\u1eddng.<\/p>\n B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam v\u1ec1 c\u00e1ch soi c\u1ea7u XSMB T\u1ea0I \u0110\u00c2Y<\/strong>.<\/p>\n Tr\u00ean \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn soi c\u1ea7u XSMB theo ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng hi\u1ec7u<\/strong> gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u l\u00f4 r\u1ea5t hay v\u00e0 \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u c\u00e1c cao th\u1ee7 s\u1ed1 \u0111\u1ec1 \u00e1p d\u1ee5ng v\u00e0 d\u00e0nh \u0111\u01b0\u1ee3c chi\u1ebfn th\u1eafng. Qua b\u00e0i vi\u1ebft n\u00e0y hy v\u1ecdng s\u1ebd gi\u00fap cho anh em di\u1ec5n \u0111\u00e1n c\u00f3 th\u00eam cho m\u00ecnh kinh nghi\u1ec7m soi c\u1ea7u l\u00f4 MB chu\u1ea9n nh\u1ea5t. Ch\u00fac anh em lu\u00f4n d\u00e0nh \u0111\u01b0\u1ee3c chi\u1ebfn th\u1eafng khi tham gia v\u00e0o tr\u00f2 ch\u01a1i n\u00e0y.<\/p>\n<\/div>\n<\/div>\n\n
<\/li>\n<\/ul>\n
C\u00e1ch soi c\u1ea7u XSMB theo ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng hi\u1ec7u<\/h2>\n
\n
Tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t khi soi c\u1ea7u XSMB theo ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng hi\u1ec7u gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/h3>\n
A l\u00e0 b\u00f3ng c\u1ee7a C ho\u1eb7c E l\u00e0 b\u00f3ng c\u1ee7a C<\/span><\/h4>\n
0 v\u00e0 6 l\u00e0 hi\u1ec7u c\u1ee7a nhau<\/span><\/h4>\n
0 v\u00e0 5 l\u00e0 hi\u1ec7u c\u1ee7a nhau<\/span><\/h4>\n
N\u1ebfu X = Y<\/span><\/h4>\n
Tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u XSMB theo ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng hi\u1ec7u gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/h3>\n
<\/p>\n
Tr\u01b0\u1eddng h\u1ee3p 1<\/h4>\n
Tr\u01b0\u1eddng h\u1ee3p 2<\/h4>\n
Kinh nghi\u1ec7m soi c\u1ea7u l\u00f4 MB theo ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng hi\u1ec7u gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/h2>\n
K\u1ebft lu\u1eadn.<\/h4>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u mi\u1ec1n b\u1eafc super vip <\/span><\/h3>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u b\u1ea1ch th\u1ee7 l\u00f4 mb chu\u1ea9n<\/a><\/strong><\/p>\n
<\/strong><\/p>\n
\n
k\u1ebft qu\u1ea3 soi c\u1ea7u soi song th\u1ee7 l\u00f4 mb chu\u1ea9n<\/a>
\n<\/strong><\/p>\nk\u1ebft qu\u1ea3 soi c\u1ea7u b\u1ea1ch th\u1ee7 l\u00f4 k\u00e9p mb chu\u1ea9n<\/a>
\n<\/strong><\/p>\nk\u1ebft qu\u1ea3 soi c\u1ea7u song th\u1ee7 l\u00f4 k\u00e9p mb chu\u1ea9n<\/a>
\n<\/strong><\/p>\nk\u1ebft qu\u1ea3 soi c\u1ea7u song th\u1ee7 \u0111\u1ec1 mb chu\u1ea9n<\/a>
\n<\/strong><\/p>\nk\u1ebft qu\u1ea3 soi c\u1ea7u b\u1ea1ch th\u1ee7 \u0111\u1ec1 mb chu\u1ea9n<\/a>
\n<\/strong><\/p>\nk\u1ebft qu\u1ea3 soi c\u1ea7u d\u00e0n \u0111\u1ec1 4 s\u1ed1 mb chu\u1ea9n<\/a>
\n<\/strong><\/p>\nk\u1ebft qu\u1ea3 soi c\u1ea7u d\u00e0n \u0111\u1ec1 6 s\u1ed1 mb chu\u1ea9n<\/a>
\n<\/strong><\/p>\nk\u1ebft qu\u1ea3 soi c\u1ea7u d\u00e0n \u0111\u1ec1 8 s\u1ed1 mb chu\u1ea9n<\/a>
\n<\/strong><\/p>\nk\u1ebft qu\u1ea3 soi c\u1ea7u d\u00e0n \u0111\u1ec1 10 s\u1ed1 mb chu\u1ea9n<\/a>
\n<\/strong><\/p>\n<\/strong>k\u1ebft qu\u1ea3 soi c\u1ea7u d\u00e0n l\u00f4 4 s\u1ed1 mb chu\u1ea9n<\/a><\/strong><\/p>\n<\/div>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u mi\u1ec1n b\u1eafc si\u00eau chu\u1ea9n<\/span><\/h3>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u d\u00e0n l\u00f4 6 s\u1ed1 mb chu\u1ea9n<\/a><\/strong><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u d\u00e0n l\u00f4 8 s\u1ed1 mb chu\u1ea9n<\/a><\/strong><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u d\u00e0n l\u00f4 xi\u00ean 2 mb chu\u1ea9n<\/a><\/strong><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u d\u00e0n l\u00f4 xi\u00ean 3 mb chu\u1ea9n<\/strong><\/a><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u d\u00e0n l\u00f4 xi\u00ean 4 mb chu\u1ea9n<\/a><\/strong><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u 3 c\u00e0ng mb chu\u1ea9n<\/a><\/strong><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u 3 c\u00e0ng 2 s\u1ed1 mb chu\u1ea9n<\/strong><\/a><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u d\u00e0n l\u00f4 10 s\u1ed1 mb chu\u1ea9n<\/a><\/strong><\/p>\n
c\u00f4ng ty soi l\u00f4 \u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i mb<\/a><\/strong><\/p>\n<\/div>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u mi\u1ec1n nam si\u00eau chu\u1ea9n<\/span><\/h3>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u x\u1ec9u ch\u1ee7 mn chu\u1ea9n<\/strong><\/a><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u c\u1eb7p x\u1ec9u ch\u1ee7 mn chu\u1ea9n<\/a><\/strong><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u song th\u1ee7 l\u00f4 mn chu\u1ea9n<\/a><\/strong><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mn chu\u1ea9n<\/a><\/strong><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u \u0111\u1ea7u \u0111u\u00f4i \u0111\u1eb7c bi\u1ec7t mn chu\u1ea9n<\/a><\/strong><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u gi\u1ea3i \u0111\u1eb7c mn si\u00eau chu\u1ea9n<\/strong><\/a><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u gi\u1ea3i 8 mn chu\u1ea9n<\/strong><\/a><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u l\u00f4 mn chu\u1ea9n<\/strong><\/a><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u l\u00f4 3 s\u1ed1 mn chu\u1ea9n<\/a><\/strong><\/p>\n<\/div>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u mi\u1ec1n trung si\u00eau chu\u1ea9n<\/span><\/h3>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u x\u1ec9u ch\u1ee7 mt chu\u1ea9n<\/strong><\/a><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mt chu\u1ea9n<\/strong><\/a><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u gi\u1ea3i 8 mt chu\u1ea9n<\/strong><\/a><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u bao l\u00f4 mt chu\u1ea9n<\/strong><\/a><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u c\u1eb7p x\u1ec9u ch\u1ee7 mt chu\u1ea9n<\/strong><\/a><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u song th\u1ee7 l\u00f4 mt chu\u1ea9n<\/strong><\/a><\/p>\n
k\u1ebft qu\u1ea3 soi c\u1ea7u \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mt chu\u1ea9n<\/strong><\/a><\/p>\n