Anh em xem gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. Sau \u0111\u00f3 ki\u1ec3m tra 10 gi\u1ea3i c\u1ee7a gi\u1ea3i 4 v\u00e0 gi\u1ea3i 5 trong b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 h\u00f4m nay. Xem 10 gi\u1ea3i \u0111\u00f3 c\u00f3 s\u1ed1 n\u00e0o tr\u00f9ng v\u1edbi s\u1ed1 \u0110\u1ec1 hay kh\u00f4ng th\u00ec ta s\u1ebd \u0111\u00e1nh 2 con s\u1ed1 c\u00f2n l\u1ea1i c\u1ee7a gi\u1ea3i \u0111\u00f3. \u0110\u00e2y l\u00e0 l\u00f4 b\u1ea1ch th\u1ee7 ng\u00e0y mai.<\/p>\n
V\u00ed d\u1ee5 \u00e1p d\u1ee5ng:<\/strong><\/p>\nN\u1ebfu nh\u01b0 h\u00f4m nay \u0110\u1ec1 v\u1ec1 79. Anh em ki\u1ec3m tra trong 10 gi\u1ea3i \u1edf gi\u1ea3i 4 v\u00e0 gi\u1ea3i 5 xem c\u00f3 gi\u1ea3i n\u00e0o c\u00f3 con 79 kh\u00f4ng. Ch\u00fang ta s\u1ebd c\u00f3 m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u01b0 sau:<\/p>\n
\n- 2790<\/strong> c\u00f3 s\u1ed1 79<\/strong> \u1edf gi\u1eefa, ta s\u1ebd \u0111\u00e1nh 2 s\u1ed1 c\u00f2n l\u1ea1i l\u00e0 20<\/strong>, con n\u00e0y s\u1ebd l\u00e0 b\u1ea1ch th\u1ee7 l\u00f4 ng\u00e0y h\u00f4m sau.<\/li>\n
- 7918<\/strong> c\u00f3 s\u1ed1 79<\/strong> \u1edf \u0111\u1ea7u, ta s\u1ebd \u0111\u00e1nh 2 s\u1ed1 c\u00f2n l\u1ea1i l\u00e0 18,<\/strong> con n\u00e0y l\u00e0 b\u1ea1ch th\u1ee7 l\u00f4 ng\u00e0y h\u00f4m sau.<\/li>\n
- 1579<\/strong> c\u00f3 s\u1ed1 79<\/strong> \u1edf cu\u1ed1i, ta s\u1ebd \u0111\u00e1nh 2 s\u1ed1 c\u00f2n l\u1ea1i l\u00e0 15<\/strong>, con n\u00e0y l\u00e0 b\u1ea1ch th\u1ee7 l\u00f4 ng\u00e0y h\u00f4m sau.<\/li>\n<\/ul>\n
\u0110\u00e2y l\u00e0 c\u00e1ch b\u1eaft l\u00f4 c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3 t\u1eeb \u0111\u1ec1 v\u00e0 so s\u00e1nh v\u1edbi gi\u1ea3i 4 v\u00e0 5. M\u1eb7c d\u00f9 c\u1ea7u n\u00e0y r\u1ea5t \u00edt khi v\u1ec1 nh\u01b0ng khi \u0111\u00e3 v\u1ec1 l\u00e0 ch\u1eafn \u0103n.<\/p>\n
3. C\u00e1ch b\u1eaft l\u00f4 hi\u1ec7u qu\u1ea3 t\u00ednh t\u1eeb ng\u00e0y \u00e2m<\/h2>\n
T\u1ea1i Vi\u1ec7t Nam ng\u00e0y \u00c2m v\u1eabn c\u00f2n r\u1ea5t th\u1ecbnh h\u00e0nh. N\u00f3i v\u1ec1 Chi\u00eam Tinh th\u00ec ng\u00e0y \u00e2m l\u00e0 ng\u00e0y ch\u00ednh, gi\u1edbi t\u00ednh s\u1ed1 \u0111\u1ec1 c\u0169ng th\u01b0\u1eddng s\u1ebd d\u00f9ng ng\u00e0y \u00e2m \u0111\u1ec3 soi. \u0110\u00e2y l\u00e0 kinh nghi\u1ec7m \u0111\u01b0\u1ee3c \u0111\u00fac k\u1ebft v\u00e0 c\u00f3 d\u1ef1a v\u00e0o t\u1ea7n su\u1ea5t n\u00ean r\u1ea5t ch\u00ednh x\u00e1c.<\/p>\n
\u00c1p d\u1ee5ng theo c\u00e1ch b\u1eaft l\u00f4 hi\u1ec7u qu\u1ea3 n\u00e0y ch\u00fang ta s\u1ebd b\u1eaft c\u1ea7u l\u00f4 theo Can Chi v\u00e0 12 con Gi\u00e1p. Th\u1ef1c hi\u1ec7n c\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n
Ta x\u00e9t theo can chi c\u00f3 c\u00e1c th\u1ee9 t\u1ef1 sau:<\/strong> Gi\u00e1p \u2013 1, \u1ea4t \u2013 2, B\u00ednh \u2013 3, \u0110inh \u2013 4, M\u1eadu -5, K\u1ef7 \u2013 6, Canh -7, T\u00e2n -8, Nh\u00e2m -9, Qu\u00ed -10.<\/p>\nX\u00e9t theo 12 con gi\u00e1p c\u00f3:<\/strong> T\u00fd- 1, S\u1eedu \u2013 2, D\u1ea7n -3, M\u00e3o \u2013 4, Th\u00ecn -5, T\u1ecb-6, Ng\u1ecd-7, M\u00f9i-8, Th\u00e2n -9 D\u1eadu -10, Tu\u1ea5t -11, H\u1ee3i -12.<\/p>\nV\u00ed d\u1ee5:<\/strong> Ta xem l\u1ecbch xem h\u00f4m nay l\u00e0 ng\u00e0y g\u00ec, v\u00ed d\u1ee5 h\u00f4m nay l\u00e0 ng\u00e0y Canh D\u1eadu<\/strong> th\u00ec \u0111\u00e3 s\u1ebd \u0111\u00e1nh con 79.<\/strong><\/p>\nK\u1ebft Th\u00fac<\/h2>\n
Tr\u00ean \u0111\u00e2y l\u00e0 3 c\u00e1ch b\u1eaft l\u00f4 hi\u1ec7u qu\u1ea3 c\u1ee7a d\u00e2n gian x\u01b0a. \u0110\u1ec3 b\u1eaft l\u00f4 chu\u1ea9n, anh em c\u1ea7n ph\u1ea3i ki\u00ean tr\u00ec v\u00e0 th\u1ed1ng k\u00ea ch\u00ednh x\u00e1c k\u1ebft qu\u1ea3. Anh em h\u00e3y c\u00f9ng tham kh\u1ea3o v\u00e0 th\u1eed nghi\u1ec7m 3 c\u00e1ch b\u1eaft l\u00f4 n\u00e0y tr\u01b0\u1edbc khi th\u1ef1c chi\u1ebfn nh\u00e9. Ch\u00fac anh em g\u1eb7p nhi\u1ec1u may m\u1eafn v\u00e0 th\u00e0nh c\u00f4ng.<\/p>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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