{"id":17836,"date":"2024-04-10T23:37:41","date_gmt":"2024-04-10T23:37:41","guid":{"rendered":"https:\/\/soicau4099.minhngocxoso.com\/?p=17836"},"modified":"2024-04-10T23:37:41","modified_gmt":"2024-04-10T23:37:41","slug":"kinh-nghiem-bat-cau-de-kep-chuan-xac","status":"publish","type":"post","link":"https:\/\/soicautiphu.com\/kinh-nghiem-bat-cau-de-kep-chuan-xac\/","title":{"rendered":"kinh nghi\u1ec7m b\u1eaft c\u1ea7u \u0111\u1ec1 k\u00e9p chu\u1ea9n x\u00e1c"},"content":{"rendered":"
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V\u1edbi b\u1eaft c\u1ea7u \u0111\u1ec1 k\u00e9p kh\u00f4ng c\u00f3 quy t\u1eafc hay t\u1ec9 l\u1ec7 nh\u1ea5t \u0111\u1ecbnh ng\u01b0\u1eddi \u0111\u00e1nh s\u1ebd \u0111\u00e1nh tr\u00fang \u0111\u01b0\u1ee3c. Nh\u01b0ng kh\u00f4ng v\u00ec th\u1ebf m\u00e0 b\u1eaft c\u1ea7u \u0111\u1ec1 k\u00e9p<\/b> kh\u00f4ng c\u00f3 kinh nghi\u1ec7m ghi l\u1ea1i. T\u1eeb x\u01b0a \u0111\u1ebfn nay, qua ng\u00e0y th\u00e1ng th\u00ec c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 c\u00e1ch \u0111\u1ec3 c\u00f3 th\u1ec3 b\u1eaft c\u1ea7u \u0111\u1ec1 k\u00e9p. C\u0169ng nh\u1edd \u00e1p d\u1ee5ng kinh nghi\u1ec7m n\u00e0y m\u00e0 r\u1ea5t nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p kh\u1ea3 quan v\u00e0 c\u00f3 k\u1ebft qu\u1ea3 kh\u00e1 t\u1ed1t.<\/p>\n

D\u1ea5u hi\u1ec7u \u0111\u1ec1 b\u00e1o k\u00e9p<\/b> l\u00e0 m\u1ed9t d\u1ea1ng kh\u00e1 \u0111\u1eb7c bi\u1ec7t. Th\u1ef1c t\u1ebf, \u0111\u1ec1 k\u00e9p kh\u00f4ng c\u00f3 quy t\u1eafc hay t\u1ef7 l\u1ec7 ch\u00ednh x\u00e1c n\u00e0o \u0111\u1ea3m b\u1ea3o s\u1ebd ra trong ng\u00e0y. Vi\u1ec7c t\u00ednh to\u00e1n v\u00e0 nh\u1eadn \u0111\u1ecbnh \u0111\u1ec1 k\u00e9p ch\u1ee7 y\u1ebfu v\u1eabn d\u1ef1a v\u00e0o kinh nghi\u1ec7m \u0111\u01b0\u1ee3c \u0111\u00fac k\u1ebft c\u1ee7a c\u00e1c \u201ct\u00edn \u0111\u1ed3\u201d l\u00f4 \u0111\u1ec1 chuy\u00ean nghi\u1ec7p. Trong n\u1ed9i dung l\u1ea7n n\u00e0y,s\u1ebd g\u1ee3i \u00fd cho b\u1ea1n d\u1ea5u hi\u1ec7u v\u00e0 kinh nghi\u1ec7m b\u1eaft c\u1ea7u \u0111\u1ec1 k\u00e9p <\/strong>ch\u00ednh x\u00e1c.<\/p>\n<\/div>\n<\/div>\n

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T\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1ec1 k\u00e9p<\/b><\/h2>\n

\"Nh\u1eadn<\/p>\n

C\u1ea7u k\u00e9p c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi kh\u00e1c l\u00e0 l\u00f4 k\u00e9p l\u00e0 nh\u1eefng s\u1ed1 c\u00f3 2 ch\u1eef s\u1ed1 gi\u1ed1ng nhau. V\u00ed d\u1ee5: 00, 11, 22, 33, 44, 55, 66, 77, 88, 99.<\/p>\n

\u0110\u1ec1 l\u00e0 2 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. Mu\u1ed1n b\u1eaft \u0111\u01b0\u1ee3c c\u1ea7u \u0111\u1ec1 k\u00e9p th\u00ec b\u1ea1n ph\u1ea3i hi\u1ec3u r\u00f5 nh\u01b0 th\u1ebf n\u00e0o l\u00e0 c\u1ea7u k\u00e9p ph\u1ee5.<\/p>\n

C\u1ea7u k\u00e9p ph\u1ee5 l\u00e0 nh\u1eefng con l\u00f4 sau: 05, 50, 16, 61, 27, 72, 38, 83, 49, 94. T\u1ee9c l\u00e0 nh\u1eefng con s\u1ed1 c\u00f3 hi\u1ec7u c\u1ee7a 2 s\u1ed1 b\u1eb1ng 5 th\u00ec g\u1ecdi l\u00e0 c\u1ea7u k\u00e9p ph\u1ee5. N\u1ebfu mu\u1ed1n b\u1eaft c\u1ea7u k\u00e9p chu\u1ea9n x\u00e1c h\u01a1n th\u00ec n\u00ean nh\u1ee1 r\u00f5 m\u1ea5y con s\u1ed1 c\u1ea7u k\u00e9p ph\u1ee5 n\u00e0y.<\/p>\n

D\u1ea5u hi\u1ec7u \u0111\u1ec1 k\u00e9p b\u00e1o nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/h2>\n

Tr\u1ea3i qua qu\u00e1 tr\u00ecnh ch\u1ecdn l\u1ecdc v\u00e0 tham kh\u1ea3o kinh nghi\u1ec7m t\u1eeb nh\u1eefng b\u1eadc ti\u1ec1n b\u1ed1i trong l\u0129nh v\u1ef1c \u201cs\u1ed1 h\u00f3a\u201d n\u00e0y, ch\u00fang t\u00f4i \u0111\u00fac k\u1ebft ra \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft \u0111\u1ec1 b\u00e1o k\u00e9p nh\u01b0 sau:<\/p>\n

Khi 2 s\u1ed1 \u0111\u1ea7u c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 k\u00e9p th\u00ec \u0111\u1ec1 b\u00e1o k\u00e9p<\/b> s\u1ebd v\u1ec1 trong v\u00f2ng 1 tu\u1ea7n n\u00e0y ho\u1eb7c c\u00f3 th\u1ec3 s\u1ebd l\u00e2u h\u01a1n m\u1ed9t ch\u00fat \u0111\u1ebfn 10 ng\u00e0y. V\u00ec th\u1ebf, trong tu\u1ea7n n\u00e0y b\u1ea1n c\u00f3 th\u1ec3 nu\u00f4i k\u00e9p.<\/p>\n

D\u1ea5u hi\u1ec7u b\u00e1o \u0111\u1ec1 k\u00e9p nh\u01b0 th\u1ebf n\u00e0o ?<\/figcaption><\/figure>\n

V\u00ed d\u1ee5 c\u1ee5 th\u1ec3:<\/strong><\/h4>\n

V\u1edbi c\u00e1ch t\u00ednh n\u00e0y, ch\u00fang ta c\u00f2n kh\u00e1 nhi\u1ec1u bi\u1ebfn th\u1ec3 kh\u00e1c cho l\u00f4 t\u00f4 m\u00e0 t\u1ef7 l\u1ec7 \u0103n kh\u00e1 cao nh\u01b0 sau:<\/p>\n

N\u1ebfu G\u0110B ng\u00e0y 03\/10\/2024 v\u1ec1 99667 th\u00ec nh\u1eefng ng\u00e0y k\u1ebf ta \u0111\u00e1nh 99 v\u00e0 c\u1ed9ng th\u00eam c\u00e1c s\u1ed1 l\u1ebb ph\u00eda sau l\u00e0 1, 3, 5, 7. T\u1eeb \u0111\u00f3 ta c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c s\u1ed1 l\u1ea7n l\u01b0\u1ee3t l\u00e0 19-91, 39-93, 59-95, 79-97, 99.<\/p>\n

K\u1ebft qu\u1ea3 X\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc l\u01b0\u1ee3t v\u1ec1 c\u1ee7a c\u00e1c ng\u00e0y sau:<\/h4>\n