C\u00e1c d\u1ea5u hi\u1ec7u \u0111\u1ec1 b\u00e1o v\u1ec1 k\u00e9p, c\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec1 k\u00e9p m\u1edbi nh\u1ea5t 2024. \u0110\u1ec1 v\u1ec1 50, 12, 01 h\u00f4m sau \u0111\u00e1nh con l\u00f4 g\u00ec? L\u00f4 r\u01a1i t\u1eeb l\u00f4, l\u00f4 r\u01a1i t\u1eeb \u0111\u1ec1 l\u00e2u nh\u1ea5t l\u00e0 bao nhi\u00eau ng\u00e0y? \u0111\u1ec1 v\u1ec1 k\u00e9p h\u00f4m sau \u0111\u00e1nh l\u00f4 g\u00ec? T\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch t\u1ea1i \u0111\u00e2y. Anh em h\u1eb3n l\u00e0 \u0111\u00e3 t\u1eebng nghe d\u1ea5u hi\u1ec7u \u0111\u1ec3 soi c\u1ea7u l\u00f4 bao g\u1ed3m c\u1ea3 d\u1ea5u hi\u1ec7u \u0111\u1ec1 v\u1ec1 k\u00e9p. Tuy nhi\u00ean, \u0111\u1ec1 k\u00e9p l\u00e0 \u0111\u1ec1 g\u00ec? C\u00f3 bao nhi\u00eau lo\u1ea1i \u0111\u1ec1 k\u00e9p? Khi \u0111\u1ec1 v\u1ec1 k\u00e9p th\u00ec c\u00f3 th\u1ec3 nu\u00f4i con l\u00f4 g\u00ec? Ch\u00fang ta c\u00f9ng t\u00ecm hi\u1ec3u ngay sau \u0111\u00e2y.<\/p>\n
<\/span>L\u00f4 k\u00e9p l\u00e0 g\u00ec?<\/b><\/h2>\nL\u00f4 \u0111\u1ec1 k\u00e9p l\u00e0 t\u00ean g\u1ecdi d\u00e0nh cho nh\u1eefng con l\u00f4 \u0111\u1ec1 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng nh\u1eadn d\u1ea1ng b\u1edfi m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3. V\u00ed d\u1ee5 nh\u01b0 con s\u1ed1 00 th\u00ec \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ed1 k\u00e9p b\u1eb1ng. S\u1ed1 05 th\u00ec \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 k\u00e9p l\u1ec7ch. C\u00e1c b\u1ed9 s\u1ed1 \u0111\u01b0\u1ee3c ph\u00e2n v\u00e0o lo\u1ea1i k\u00e9p nh\u01b0 sau:<\/p>\n
\n- K\u00e9p b\u1eb1ng<\/li>\n
- K\u00e9p l\u1ec7ch<\/li>\n
- K\u00e9p \u00c2m<\/li>\n
- S\u00e1t k\u00e9p<\/li>\n<\/ul>\n
V\u00ec t\u00ednh ch\u1ea5t c\u1ee7a t\u1eebng b\u1ed9 k\u00e9p kh\u00e1c nhau m\u00e0 c\u00e1c d\u00e2n ch\u01a1i l\u00f4 \u0111\u1ec1 s\u1ebd \u00e1p d\u1ee5ng quy t\u1eafc \u0111\u1ec3 v\u1ec1 k\u00e9p \u0111\u00e1nh con g\u00ec kh\u00e1c nhau. Sau \u0111\u00e2y ch\u00fang ta h\u00e3y c\u00f9ng \u0111i t\u00ecm hi\u1ec3u c\u1ee5 th\u1ec3.<\/p>\n
<\/span>D\u1ea5u hi\u1ec7u \u0111\u1ec1 b\u00e1o v\u1ec1 k\u00e9p<\/b><\/span><\/h2>\nTr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u \u0111\u1ec1 v\u1ec1 k\u00e9p v\u00e0 nh\u1eefng con l\u00f4 r\u01a1i sau \u0111\u00f3, anh em c\u1ea7n bi\u1ebft \u0111\u01b0\u1ee3c d\u1ea5u hi\u1ec7u \u0111\u1ec1 v\u1ec1 k\u00e9p. \u0110\u1ec3 l\u00e0m g\u00ec? Theo V\u0169 th\u00ec \u0111\u1ec1 v\u1ec1 k\u00e9p t\u1eeb nh\u1eefng d\u1ea5u hi\u1ec7u n\u00e0y m\u1edbi cho ra nh\u1eefng con l\u00f4 r\u01a1i ch\u00ednh x\u00e1c theo th\u1ed1ng k\u00ea ph\u00eda d\u01b0\u1edbi h\u01a1n.<\/p>\n
<\/p>\n
D\u1ea5u hi\u1ec7u n\u00e0o cho th\u1ea5y \u0111\u1ec1 s\u1ebd v\u1ec1 k\u00e9p?<\/b><\/span><\/p>\n\n- \n
\n- 2 s\u1ed1 \u0111\u1ea7u c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 k\u00e9p th\u00ec trong 1 tu\u1ea7n k\u1ebf ti\u1ebfp kh\u1ea3 n\u0103ng \u0111\u1ec1 \u0111u\u00f4i s\u1ebd v\u1ec1 k\u00e9p.<\/li>\n
- D\u1ef1a v\u00e0o \u0111\u1ea7u c\u00e2m \u0111u\u00f4i c\u00e2m. Khi c\u00f3 \u0111u\u00f4i ho\u1eb7c \u0111\u1ea7u l\u00f4 n\u00e0o c\u00e2m, n\u1ebfu con l\u00f4 k\u00e9p \u0111\u00f3 kh\u00f4ng xu\u1ea5t hi\u1ec7n trong kho\u1ea3ng 5 ng\u00e0y k\u1ebf ti\u1ebfp th\u00ec anh em c\u00f3 th\u1ec3 nu\u00f4i l\u00f4 k\u00e9p \u0111\u00f3 trong khung 7 ng\u00e0y k\u1ebf ti\u1ebfp<\/li>\n
- D\u1ef1a v\u00e0o \u0111\u1ea7u \u0111\u1eb7c bi\u1ec7t th\u1ee9 2. C\u00e1ch \u0111\u00e1nh n\u00e0y ch\u1ee7 y\u1ebfu l\u00e0 l\u1ea5y 2 ch\u1eef s\u1ed1 c\u1ee7a \u0111\u1ec1 v\u1ec1 ng\u00e0y th\u1ee9 2 bi\u1ebfn th\u00e0nh 2 con l\u00f4 k\u00e9p v\u00e0 nu\u00f4i trong c\u1ea3 tu\u1ea7n \u0111\u00f3. Tuy nhi\u00ean theo V\u0169 ngh\u0129 c\u00e1ch n\u00e0y kh\u00f4ng m\u1ea5y hi\u1ec7u qu\u1ea3. N\u00ean quan s\u00e1t nhi\u1ec1u h\u01a1n r\u1ed3i m\u1edbi ch\u1ecdn \u0111\u00e1nh theo.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n
C\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec1 k\u00e9p nh\u01b0 th\u1ebf n\u00e0o? D\u1ea5u hi\u1ec7u b\u00e1o \u0111\u1ec1 v\u1ec1 k\u00e9p
\n<\/b><\/span><\/p>\nKhi \u0111\u1ec1 b\u00e1o v\u1ec1 k\u00e9p, anh em c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u00e1nh theo c\u00e1c th\u1ed1ng k\u00ea \u0111\u1ec1 v\u1ec1 k\u00e9p h\u00f4m sau \u0111\u00e1nh con g\u00ec nh\u01b0 d\u01b0\u1edbi \u0111\u00e2y. Ho\u1eb7c n\u1ebfu mu\u1ed1n t\u1ef1 m\u00ecnh soi c\u1ea7u l\u00f4 \u0111\u1ec1 k\u00e9p, anh em c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng 1 trong c\u00e1c c\u00e1ch sau:<\/p>\n
\n- \n
\n- Nu\u00f4i con \u0111\u1ec1 k\u00e9p \u0111\u00f3 c\u00f9ng v\u1edbi s\u1ed1 l\u1ed9n c\u1ee7a n\u00f3<\/li>\n
- C\u00e1c c\u1eb7p s\u1ed1 l\u1edbn 66 77 88 99 anh em c\u00f3 th\u1ec3 l\u1ea5y ch\u00fang c\u1ed9ng v\u1edbi 5 v\u00e0 1, sau \u0111\u00f3 ch\u1ec9 l\u1ea5y ch\u1eef s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a t\u1ed5ng 2 ph\u00e9p c\u1ed9ng tr\u00ean \u0111\u1ec3 \u0111\u00e1nh. T\u1ee9c l\u00e0: V\u1edbi s\u1ed1 99, anh em l\u1ea7n l\u01b0\u1ee3t t\u00ednh t\u1ed5ng:\n
\n- 9+5=14 l\u1ea5y 4<\/li>\n
- 9+1=10 l\u1ea5y 0
\n\u21d21 tu\u1ea7n sau \u0111\u00f3 c\u00f3 th\u1ec3 nu\u00f4i c\u00e1c con l\u00f4: 09 49 99.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/span>\u0110\u1ec1 v\u1ec1 k\u00e9p h\u00f4m sau \u0111\u00e1nh con g\u00ec?<\/b><\/span><\/h2>\nNh\u01b0 n\u00f3i r\u00f5 \u1edf tr\u00ean, m\u1ed7i m\u1ed9t \u0111\u1ec1 k\u00e9p ri\u00eang s\u1ebd c\u00f3 m\u1ed9t d\u1ea5u hi\u1ec7u soi c\u1ea7u l\u00f4 cho ng\u00e0y h\u00f4m sau kh\u00e1c bi\u1ec7t. \u0110\u1ec3 tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi \u0111\u1ec1 v\u1ec1 k\u00e9p h\u00f4m sau \u0111\u00e1nh l\u00f4 g\u00ec, xin m\u1eddi c\u00e1c anh ch\u1ecb em ch\u00fang ta xem k\u1ef9 t\u1eebng chuy\u00ean m\u1ee5c d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n
<\/span>\u0110\u1ec1 v\u1ec1 k\u00e9p b\u1eb1ng \u0111\u00e1nh con g\u00ec?<\/b><\/span><\/h3>\nK\u00e9p b\u1eb1ng l\u00e0 nh\u1eefng b\u1ed9 s\u1ed1 c\u00f3 d\u1ea1ng AA, t\u1ee9c l\u00e0 c\u00e1c b\u1ed9 s\u1ed1:<\/p>\n
00 11 22 33 44 55 66 77 88 99.<\/p>\n
Khi \u0111\u1ec1 v\u1ec1 k\u00e9p b\u1eb1ng, anh em c\u00f3 th\u1ec3 tham kh\u1ea3o b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh xem nh\u1eefng ng\u00e0y sau \u0111\u00f3 \u0111\u00e1nh con l\u00f4 g\u00ec.<\/p>\n
V\u00ec t\u00ednh ch\u1ea5t c\u1ee7a t\u1eebng b\u1ed9 k\u00e9p kh\u00e1c nhau m\u00e0 c\u00e1c d\u00e2n ch\u01a1i l\u00f4 \u0111\u1ec1 s\u1ebd \u00e1p d\u1ee5ng quy t\u1eafc \u0111\u1ec3 v\u1ec1 k\u00e9p \u0111\u00e1nh con g\u00ec kh\u00e1c nhau. Sau \u0111\u00e2y ch\u00fang ta h\u00e3y c\u00f9ng \u0111i t\u00ecm hi\u1ec3u c\u1ee5 th\u1ec3.<\/p>\n
<\/span>D\u1ea5u hi\u1ec7u \u0111\u1ec1 b\u00e1o v\u1ec1 k\u00e9p<\/b><\/span><\/h2>\nTr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u \u0111\u1ec1 v\u1ec1 k\u00e9p v\u00e0 nh\u1eefng con l\u00f4 r\u01a1i sau \u0111\u00f3, anh em c\u1ea7n bi\u1ebft \u0111\u01b0\u1ee3c d\u1ea5u hi\u1ec7u \u0111\u1ec1 v\u1ec1 k\u00e9p. \u0110\u1ec3 l\u00e0m g\u00ec? Theo V\u0169 th\u00ec \u0111\u1ec1 v\u1ec1 k\u00e9p t\u1eeb nh\u1eefng d\u1ea5u hi\u1ec7u n\u00e0y m\u1edbi cho ra nh\u1eefng con l\u00f4 r\u01a1i ch\u00ednh x\u00e1c theo th\u1ed1ng k\u00ea ph\u00eda d\u01b0\u1edbi h\u01a1n.<\/p>\n
<\/p>\n
D\u1ea5u hi\u1ec7u n\u00e0o cho th\u1ea5y \u0111\u1ec1 s\u1ebd v\u1ec1 k\u00e9p?<\/b><\/span><\/p>\n\n- \n
\n- 2 s\u1ed1 \u0111\u1ea7u c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 k\u00e9p th\u00ec trong 1 tu\u1ea7n k\u1ebf ti\u1ebfp kh\u1ea3 n\u0103ng \u0111\u1ec1 \u0111u\u00f4i s\u1ebd v\u1ec1 k\u00e9p.<\/li>\n
- D\u1ef1a v\u00e0o \u0111\u1ea7u c\u00e2m \u0111u\u00f4i c\u00e2m. Khi c\u00f3 \u0111u\u00f4i ho\u1eb7c \u0111\u1ea7u l\u00f4 n\u00e0o c\u00e2m, n\u1ebfu con l\u00f4 k\u00e9p \u0111\u00f3 kh\u00f4ng xu\u1ea5t hi\u1ec7n trong kho\u1ea3ng 5 ng\u00e0y k\u1ebf ti\u1ebfp th\u00ec anh em c\u00f3 th\u1ec3 nu\u00f4i l\u00f4 k\u00e9p \u0111\u00f3 trong khung 7 ng\u00e0y k\u1ebf ti\u1ebfp<\/li>\n
- D\u1ef1a v\u00e0o \u0111\u1ea7u \u0111\u1eb7c bi\u1ec7t th\u1ee9 2. C\u00e1ch \u0111\u00e1nh n\u00e0y ch\u1ee7 y\u1ebfu l\u00e0 l\u1ea5y 2 ch\u1eef s\u1ed1 c\u1ee7a \u0111\u1ec1 v\u1ec1 ng\u00e0y th\u1ee9 2 bi\u1ebfn th\u00e0nh 2 con l\u00f4 k\u00e9p v\u00e0 nu\u00f4i trong c\u1ea3 tu\u1ea7n \u0111\u00f3. Tuy nhi\u00ean theo V\u0169 ngh\u0129 c\u00e1ch n\u00e0y kh\u00f4ng m\u1ea5y hi\u1ec7u qu\u1ea3. N\u00ean quan s\u00e1t nhi\u1ec1u h\u01a1n r\u1ed3i m\u1edbi ch\u1ecdn \u0111\u00e1nh theo.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n
C\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec1 k\u00e9p nh\u01b0 th\u1ebf n\u00e0o? D\u1ea5u hi\u1ec7u b\u00e1o \u0111\u1ec1 v\u1ec1 k\u00e9p
\n<\/b><\/span><\/p>\nKhi \u0111\u1ec1 b\u00e1o v\u1ec1 k\u00e9p, anh em c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u00e1nh theo c\u00e1c th\u1ed1ng k\u00ea \u0111\u1ec1 v\u1ec1 k\u00e9p h\u00f4m sau \u0111\u00e1nh con g\u00ec nh\u01b0 d\u01b0\u1edbi \u0111\u00e2y. Ho\u1eb7c n\u1ebfu mu\u1ed1n t\u1ef1 m\u00ecnh soi c\u1ea7u l\u00f4 \u0111\u1ec1 k\u00e9p, anh em c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng 1 trong c\u00e1c c\u00e1ch sau:<\/p>\n
\n- \n
\n- Nu\u00f4i con \u0111\u1ec1 k\u00e9p \u0111\u00f3 c\u00f9ng v\u1edbi s\u1ed1 l\u1ed9n c\u1ee7a n\u00f3<\/li>\n
- C\u00e1c c\u1eb7p s\u1ed1 l\u1edbn 66 77 88 99 anh em c\u00f3 th\u1ec3 l\u1ea5y ch\u00fang c\u1ed9ng v\u1edbi 5 v\u00e0 1, sau \u0111\u00f3 ch\u1ec9 l\u1ea5y ch\u1eef s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a t\u1ed5ng 2 ph\u00e9p c\u1ed9ng tr\u00ean \u0111\u1ec3 \u0111\u00e1nh. T\u1ee9c l\u00e0: V\u1edbi s\u1ed1 99, anh em l\u1ea7n l\u01b0\u1ee3t t\u00ednh t\u1ed5ng:\n
\n- 9+5=14 l\u1ea5y 4<\/li>\n
- 9+1=10 l\u1ea5y 0
\n\u21d21 tu\u1ea7n sau \u0111\u00f3 c\u00f3 th\u1ec3 nu\u00f4i c\u00e1c con l\u00f4: 09 49 99.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/span>\u0110\u1ec1 v\u1ec1 k\u00e9p h\u00f4m sau \u0111\u00e1nh con g\u00ec?<\/b><\/span><\/h2>\nNh\u01b0 n\u00f3i r\u00f5 \u1edf tr\u00ean, m\u1ed7i m\u1ed9t \u0111\u1ec1 k\u00e9p ri\u00eang s\u1ebd c\u00f3 m\u1ed9t d\u1ea5u hi\u1ec7u soi c\u1ea7u l\u00f4 cho ng\u00e0y h\u00f4m sau kh\u00e1c bi\u1ec7t. \u0110\u1ec3 tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi \u0111\u1ec1 v\u1ec1 k\u00e9p h\u00f4m sau \u0111\u00e1nh l\u00f4 g\u00ec, xin m\u1eddi c\u00e1c anh ch\u1ecb em ch\u00fang ta xem k\u1ef9 t\u1eebng chuy\u00ean m\u1ee5c d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n
<\/span>\u0110\u1ec1 v\u1ec1 k\u00e9p b\u1eb1ng \u0111\u00e1nh con g\u00ec?<\/b><\/span><\/h3>\nK\u00e9p b\u1eb1ng l\u00e0 nh\u1eefng b\u1ed9 s\u1ed1 c\u00f3 d\u1ea1ng AA, t\u1ee9c l\u00e0 c\u00e1c b\u1ed9 s\u1ed1:<\/p>\n
00 11 22 33 44 55 66 77 88 99.<\/p>\n
Khi \u0111\u1ec1 v\u1ec1 k\u00e9p b\u1eb1ng, anh em c\u00f3 th\u1ec3 tham kh\u1ea3o b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh xem nh\u1eefng ng\u00e0y sau \u0111\u00f3 \u0111\u00e1nh con l\u00f4 g\u00ec.<\/p>\n
- \n
- \n
- \n
- 2 s\u1ed1 \u0111\u1ea7u c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 k\u00e9p th\u00ec trong 1 tu\u1ea7n k\u1ebf ti\u1ebfp kh\u1ea3 n\u0103ng \u0111\u1ec1 \u0111u\u00f4i s\u1ebd v\u1ec1 k\u00e9p.<\/li>\n
- D\u1ef1a v\u00e0o \u0111\u1ea7u c\u00e2m \u0111u\u00f4i c\u00e2m. Khi c\u00f3 \u0111u\u00f4i ho\u1eb7c \u0111\u1ea7u l\u00f4 n\u00e0o c\u00e2m, n\u1ebfu con l\u00f4 k\u00e9p \u0111\u00f3 kh\u00f4ng xu\u1ea5t hi\u1ec7n trong kho\u1ea3ng 5 ng\u00e0y k\u1ebf ti\u1ebfp th\u00ec anh em c\u00f3 th\u1ec3 nu\u00f4i l\u00f4 k\u00e9p \u0111\u00f3 trong khung 7 ng\u00e0y k\u1ebf ti\u1ebfp<\/li>\n
- D\u1ef1a v\u00e0o \u0111\u1ea7u \u0111\u1eb7c bi\u1ec7t th\u1ee9 2. C\u00e1ch \u0111\u00e1nh n\u00e0y ch\u1ee7 y\u1ebfu l\u00e0 l\u1ea5y 2 ch\u1eef s\u1ed1 c\u1ee7a \u0111\u1ec1 v\u1ec1 ng\u00e0y th\u1ee9 2 bi\u1ebfn th\u00e0nh 2 con l\u00f4 k\u00e9p v\u00e0 nu\u00f4i trong c\u1ea3 tu\u1ea7n \u0111\u00f3. Tuy nhi\u00ean theo V\u0169 ngh\u0129 c\u00e1ch n\u00e0y kh\u00f4ng m\u1ea5y hi\u1ec7u qu\u1ea3. N\u00ean quan s\u00e1t nhi\u1ec1u h\u01a1n r\u1ed3i m\u1edbi ch\u1ecdn \u0111\u00e1nh theo.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n
C\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec1 k\u00e9p nh\u01b0 th\u1ebf n\u00e0o? D\u1ea5u hi\u1ec7u b\u00e1o \u0111\u1ec1 v\u1ec1 k\u00e9p
\n<\/b><\/span><\/p>\nKhi \u0111\u1ec1 b\u00e1o v\u1ec1 k\u00e9p, anh em c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u00e1nh theo c\u00e1c th\u1ed1ng k\u00ea \u0111\u1ec1 v\u1ec1 k\u00e9p h\u00f4m sau \u0111\u00e1nh con g\u00ec nh\u01b0 d\u01b0\u1edbi \u0111\u00e2y. Ho\u1eb7c n\u1ebfu mu\u1ed1n t\u1ef1 m\u00ecnh soi c\u1ea7u l\u00f4 \u0111\u1ec1 k\u00e9p, anh em c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng 1 trong c\u00e1c c\u00e1ch sau:<\/p>\n
- \n
- \n
- \n
- Nu\u00f4i con \u0111\u1ec1 k\u00e9p \u0111\u00f3 c\u00f9ng v\u1edbi s\u1ed1 l\u1ed9n c\u1ee7a n\u00f3<\/li>\n
- C\u00e1c c\u1eb7p s\u1ed1 l\u1edbn 66 77 88 99 anh em c\u00f3 th\u1ec3 l\u1ea5y ch\u00fang c\u1ed9ng v\u1edbi 5 v\u00e0 1, sau \u0111\u00f3 ch\u1ec9 l\u1ea5y ch\u1eef s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a t\u1ed5ng 2 ph\u00e9p c\u1ed9ng tr\u00ean \u0111\u1ec3 \u0111\u00e1nh. T\u1ee9c l\u00e0: V\u1edbi s\u1ed1 99, anh em l\u1ea7n l\u01b0\u1ee3t t\u00ednh t\u1ed5ng:\n
- \n
- 9+5=14 l\u1ea5y 4<\/li>\n
- 9+1=10 l\u1ea5y 0
\n\u21d21 tu\u1ea7n sau \u0111\u00f3 c\u00f3 th\u1ec3 nu\u00f4i c\u00e1c con l\u00f4: 09 49 99.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/span>\u0110\u1ec1 v\u1ec1 k\u00e9p h\u00f4m sau \u0111\u00e1nh con g\u00ec?<\/b><\/span><\/h2>\n
Nh\u01b0 n\u00f3i r\u00f5 \u1edf tr\u00ean, m\u1ed7i m\u1ed9t \u0111\u1ec1 k\u00e9p ri\u00eang s\u1ebd c\u00f3 m\u1ed9t d\u1ea5u hi\u1ec7u soi c\u1ea7u l\u00f4 cho ng\u00e0y h\u00f4m sau kh\u00e1c bi\u1ec7t. \u0110\u1ec3 tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi \u0111\u1ec1 v\u1ec1 k\u00e9p h\u00f4m sau \u0111\u00e1nh l\u00f4 g\u00ec, xin m\u1eddi c\u00e1c anh ch\u1ecb em ch\u00fang ta xem k\u1ef9 t\u1eebng chuy\u00ean m\u1ee5c d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n
<\/span>\u0110\u1ec1 v\u1ec1 k\u00e9p b\u1eb1ng \u0111\u00e1nh con g\u00ec?<\/b><\/span><\/h3>\n
K\u00e9p b\u1eb1ng l\u00e0 nh\u1eefng b\u1ed9 s\u1ed1 c\u00f3 d\u1ea1ng AA, t\u1ee9c l\u00e0 c\u00e1c b\u1ed9 s\u1ed1:<\/p>\n
00 11 22 33 44 55 66 77 88 99.<\/p>\n
Khi \u0111\u1ec1 v\u1ec1 k\u00e9p b\u1eb1ng, anh em c\u00f3 th\u1ec3 tham kh\u1ea3o b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh xem nh\u1eefng ng\u00e0y sau \u0111\u00f3 \u0111\u00e1nh con l\u00f4 g\u00ec.<\/p>\n
- \n