D\u00e0n \u0111\u1ec1 10 s\u1ed1 nu\u00f4i khung 3 ng\u00e0y theo t\u1ed5ng con s\u1ed1 l\u00f4 trong 2 ng\u00e0y <\/span><\/h3>\nGi\u1ed1ng nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p d\u00e0n \u0111\u1ec1 10 s\u1ed1 theo t\u1ed5ng c\u1ee7a c\u00e1c s\u1ed1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. \u0110\u00e2y c\u0169ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u00e0n \u0111\u1ec1 b\u1eb1ng c\u00e1ch t\u00ednh t\u1ed5ng s\u1ed1 l\u00f4. Tuy nhi\u00ean, b\u1ea1n ph\u1ea3i ch\u1ec9 s\u1eed d\u1ee5ng con l\u00f4 trong 2 ng\u00e0y. H\u00ecnh th\u1ee9c n\u00e0y c\u0169ng mang l\u1ea1i hi\u1ec7u qu\u1ea3 kh\u00f4ng nh\u1ecf so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p t\u00ednh t\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t.<\/p>\n
H\u00e3y d\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft trong 2 ng\u00e0y li\u00ean ti\u1ebfp \u0111\u1ec3 t\u00ecm ra c\u00e1c con l\u00f4 th\u00edch h\u1ee3p. N\u1ebfu nh\u01b0 t\u1ed5ng c\u1ee7a 2 s\u1ed1 \u0111u\u00f4i trong 2 ng\u00e0y soi \u0111\u1ec1 b\u1eb1ng nhau. Th\u00ec anh em l\u00f4 \u0111\u1ec1 n\u00ean th\u1ef1c hi\u1ec7n d\u00e0n \u0111\u1ec1 10 s\u1ed1 nu\u00f4i khung 7 ng\u00e0y.<\/p>\n
V\u00ed d\u1ee5: Ng\u00e0y \u0111\u1ea7u ti\u00ean k\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 l\u00e0 con 17 v\u00e0 ng\u00e0y th\u1ee9 2 l\u00e0 62. Nh\u01b0 v\u1eady, t\u1ed5ng c\u1ee7a m\u1ed7i c\u1eb7p s\u1ed1 \u0111\u1ec1u b\u1eb1ng 8, khi \u0111\u00f3, b\u1ea1n h\u00e3y th\u1ef1c hi\u1ec7n nu\u00f4i d\u00e0n \u0111\u1ec1 10 s\u1ed1 theo t\u1ed5ng. D\u00e0n \u0111\u1ec1 khi \u0111\u00f3 bao g\u1ed3m:<\/p>\n
10 con s\u1ed1 c\u00f3 \u0111\u1ea7u l\u00e0 s\u1ed1 3: 30, 31, 32, 33, 34, 35, 36, 37, 38, 39.<\/p>\n
10 con s\u1ed1 c\u00f3 \u0111u\u00f4i l\u00e0 s\u1ed1 3: 13, 23, 33, 43, 53, 63, 73, 83, 93.<\/p>\n
9 con s\u1ed1 c\u00f3 \u0111u\u00f4i l\u00e0 s\u1ed1 0: 03, 01, 02, 04, 05, 06, 07, 08, 09.<\/p>\n
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