- \n
- L\u00f4 d\u00e0n l\u00e0 g\u00ec?<\/span><\/li>\n
- C\u00e1c lo\u1ea1i d\u00e0n \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/span><\/li>\n
- D\u00e0n \u0111\u1eb7c bi\u1ec7t h\u00e0ng ng\u00e0y<\/span><\/li>\n<\/ul>\n<\/div>\n
1. L\u00f4 d\u00e0n l\u00e0 g\u00ec?<\/b><\/span><\/h3>\n
L\u00f4 d\u00e0n l\u00e0 \u0111\u00e1nh nhi\u1ec1u con l\u00f4 m\u00e0 ng\u01b0\u1eddi ch\u01a1i cho r\u1eb1ng con s\u1ed1 \u0111\u00f3 c\u00f3 t\u1ec9 l\u1ec7 x\u00e1c xu\u1ea5t v\u1ec1 cao nh\u1ea5t. \u0110\u1eb7c \u0111i\u1ec3m l\u00f4 d\u00e0n l\u00e0 bao g\u1ed3m 4 con tr\u1edf l\u00ean v\u00e0 c\u00f3 nh\u1eefng c\u1eb7p song th\u1ee7 l\u00f4 c\u00f3 d\u1ea1ng theo c\u00f4ng th\u1ee9c AB, BA V\u00ed d\u1ee5 minh h\u1ecda: 23 32 ho\u1eb7c 56 65.<\/span><\/p>\n
L\u1ee3i \u00edch c\u1ee7a ch\u01a1i l\u00f4 d\u00e0n \u0111\u00f3 l\u00e0: M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh l\u00f4 d\u00e0n ch\u01a1i an to\u00e0n. Tuy mang v\u1ec1 l\u1ee3i nhu\u1eadn kh\u00f4ng cao nh\u01b0ng vi\u1ec7c b\u1ea3o to\u00e0n s\u1ed1 v\u1ed1n l\u00e0 r\u1ea5t t\u1ed1i \u01b0u. Ng\u01b0\u1eddi ch\u01a1i tham kh\u1ea3o ch\u1ec9 c\u1ea7n ch\u01a1i 1,2 con l\u00f4 c\u0169ng c\u00f3 t\u1ef7 l\u1ec7 tr\u00fang cao.<\/span><\/p>\n
\u0110\u1ec3 gi\u1ea3i th\u00edch cho c\u00e1ch l\u00f4 d\u00e0n c\u1ef1c k\u1ef3 an to\u00e0n, website c\u1ee7a ch\u00fang t\u00f4i s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft cho ng\u01b0\u1eddi ch\u01a1i th\u1ea5y \u0111\u01b0\u1ee3c. N\u1ebfu b\u1ea1n ch\u1ecdn d\u00e0n l\u00f4 4 s\u1ed1( hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi 4s) tr\u00ean \u0111\u00e0i mi\u1ec1n B\u1eafc v\u1edbi s\u1ed1 \u0111i\u1ec3m c\u01b0\u1ee3c l\u00e0 10 iem, s\u1ed1 v\u1ed1n ph\u1ea3i b\u1ecf ra l\u00e0 4x10x2=1.080.000. V\u1edbi t\u1ec9 l\u1ec7 l\u00f4 \u0111\u1ec1 1 \u0103n 99 c\u00f2n n\u1ebfu b\u1ea1n \u0103n \u0111\u01b0\u1ee3c l\u00f4 2 nh\u00e1y trong d\u00e0n l\u00f4 \u0111\u00f3, s\u1ed1 ti\u1ec1n s\u1ebd l\u00e0 2x10x99 \u2013 1080 = 900 \u0111i\u00eam t\u01b0\u01a1ng \u0111\u01b0\u01a1ng . 900.000vn\u0111.<\/span><\/p>\n
2. C\u00e1c lo\u1ea1i d\u00e0n \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/b><\/span><\/h3>\n
<\/p>\n
D\u00e0n l\u00f4 \u0111\u1ec1 theo t\u1ed5ng: t\u1ee9c l\u00e0 g\u1ed3m d\u00e0n c\u00e1c c\u1eb7p s\u1ed1 m\u00e0 c\u1ed9ng 2 ch\u1eef s\u1ed1 trong c\u1eb7p s\u1ed1 l\u1ea1i c\u00f3 t\u1ed5ng b\u1eb1ng nhau. V\u00ed d\u1ee5 nh\u01b0 d\u00e0n t\u1ed5ng b\u1eb1ng 0 g\u1ed3m c\u00f3: 00,19,91,28,82,37,73,46,64,55. D\u00e0n t\u1ed5ng b\u1eb1ng 1 g\u1ed3m: 01,10,29,92,38,83,47,74,56,65\u2026.t\u01b0\u01a1ng t\u1ef1 li\u1ec7t k\u00ea \u0111\u1ebfn t\u1ed5ng b\u1eb1ng 9.<\/span><\/p>\n
D\u00e0n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t theo \u0111\u1ea7u: theo \u0111\u00f3 ng\u01b0\u1eddi ch\u01a1i ch\u1ecdn l\u1ea7n l\u01b0\u1ee3t c\u00e1c s\u1ed1 t\u1eeb 0 \u0111\u1ebfn 9 \u0111\u1ec3 l\u00e0m \u0111\u1ea7u, v\u00ed d\u1ee5 \u0111\u1ea7u 0 th\u00ec gh\u00e9p 0 v\u1edbi c\u00e1c s\u1ed1 t\u1eeb 0-9 ta \u0111\u01b0\u1ee3c d\u00e0n \u0111\u1ea7u 0 l\u00e0:00, 01, 02, 03, 04, 05, 06, 07, 08,09. T\u01b0\u01a1ng t\u1ef1 v\u1edbi \u0111\u1ea7u 1, 2, 3, 4, 5, 6, 7, 8, 8 c\u0169ng gh\u00e9p l\u1ea7n l\u01b0\u1ee3t nh\u01b0 v\u1eady.<\/span><\/p>\n
D\u00e0n l\u00f4 \u0111\u1ec1 theo \u0111u\u00f4i: d\u00e0n n\u00e0y gh\u00e9p ng\u01b0\u1ee3c v\u1edbi d\u00e0n tr\u00ean. V\u00ed d\u1ee5 nh\u01b0 d\u00e0n l\u00f4 \u0111\u1ec1 \u0111u\u00f4i 0: 00,10,20,30,40,50,60,70,80,90 v\u00e0 d\u00e0n l\u00f4 \u0111\u1ec1 \u0111u\u00f4i 1: 01,11,21,31,41,51,61,71,81,91\u2026 t\u01b0\u01a1ng t\u1ef1 gh\u00e9p t\u1edbi \u0111u\u00f4i 9 l\u00e0 \u0111\u01b0\u1ee3c 10 d\u00e0n s\u1ed1 theo \u0111u\u00f4i kh\u00e1c nhau.<\/span><\/p>\n
C\u00e1c lo\u1ea1i d\u00e0n \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/b><\/span><\/h5>\n
D\u00e0n l\u00f4 \u0111\u1ec1 theo b\u1ed9 s\u1ed1: nh\u01b0 d\u00e0n l\u00f4 \u0111\u1ec1 theo b\u1ed9 00: 00,55,05,50. D\u00e0n l\u00f4 \u0111\u1ec1 theo b\u1ed9 11: 11,66,16,61. D\u00e0n l\u00f4 \u0111\u1ec1 theo b\u1ed9 22: 22,77,27,72. D\u00e0n l\u00f4 \u0111\u1ec1 theo b\u1ed9 33: 33,88,38,83\u2026<\/span><\/p>\n
C\u00e1c lo\u1ea1i d\u00e0n \u0111\u1ec1 theo ch\u1ea1m: t\u1ee9c l\u00e0 to\u00e0n b\u1ed9 c\u00e1c s\u1ed1 \u0111\u1ec1u c\u00f3 d\u00ednh s\u1ed1 \u0111\u00f3, v\u00ed d\u1ee5 ch\u1ea1m 0 th\u00ec t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 ph\u1ea3i c\u00f3 \u0111\u1ea7u 0 v\u00e0 \u0111\u00edt 0. V\u00ed d\u1ee5 d\u00e0n \u0111\u1ec1 ch\u1ea1m 0: 01, 10, 02, 20, 03, 30, 04, 40, 05, 50, 06,60,07,70,08,80,09,90,00. T\u01b0\u01a1ng t\u1ef1 d\u00e0n \u0111\u1ec1 ch\u1ea1m 1 c\u0169ng v\u1eady cho \u0111\u1ebfn 9.<\/span><\/p>\n
D\u00e0n \u0111\u1ec1 theo 12 con gi\u00e1p: m\u1ed7i con gi\u00e1p s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t con s\u1ed1 nh\u1ea5t \u0111\u1ecbnh m\u00e0 c\u00f3 d\u00e0n \u0111\u1ec1 c\u1ee5 th\u1ec3. V\u00ed d\u1ee5 T\u00fd (9 s\u1ed1) c\u00f3 d\u00e0n \u0111\u1ec1 l\u00e0: 00, 12, 24, 36, 48, 60, 72, 84, 96. S\u1eedu (9 s\u1ed1) c\u00f3 d\u00e0n \u0111\u1ec1 l\u00e0 01, 13, 25, 37, 49, 61, 73, 85, 9<\/span><\/p>\n
Ngo\u00e0i ra c\u00f2n r\u1ea5t nhi\u1ec1u c\u00e1c lo\u1ea1i d\u00e0n \u0111\u1ec1 kh\u00e1c nhau.<\/span><\/p>\n
3. D\u00e0n \u0111\u1eb7c bi\u1ec7t h\u00e0ng ng\u00e0y<\/b><\/span><\/h3>\n
\u0110\u1ec3 hi\u1ec3u r\u00f5 ph\u01b0\u01a1ng ph\u00e1p b\u1eaft l\u00f4 \u0111\u1ec1 d\u00e0n m\u1ed9t c\u00e1ch th\u00e0nh th\u1ee5c th\u00ec \u0111\u1ea7u ti\u00ean ng\u01b0\u1eddi ch\u01a1i c\u1ea7n th\u1ed1ng k\u00ea \u0111\u01b0\u1ee3c \u0111\u1ea7y \u0111\u1ee7 5 s\u1ed1 c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c gi\u1ea3i \u0111\u1eb7c bi\u1ec7t trong v\u00f2ng \u00edt nh\u1ea5t n\u1eeda n\u0103m, c\u00f2n n\u1ebfu mu\u1ed1n hi\u1ec7u qu\u1ea3 h\u01a1n th\u00ec c\u00f3 th\u1ec3 th\u1ed1ng k\u00ea k\u00e9o d\u00e0i h\u01a1n. Sau \u0111\u00f3 \u0111em x\u1ebfp k\u1ebft qu\u1ea3 \u0111\u00f3 theo th\u1ee9 v\u00e0 tu\u1ea7n. <\/span>Ph\u01b0\u01a1ng ph\u00e1p b\u1eaft l\u00f4 \u0111\u1ec1 d\u00e0n nh\u01b0 sau:<\/span><\/p>\n
<\/p>\n
X\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c c\u1ea7u \u0111\u1ec1 \u1edf gi\u1ea3i 3: <\/span><\/h4>\n
b\u1edfi th\u00f4ng th\u01b0\u1eddng \u1edf gi\u1ea3i 2 th\u01b0\u1eddng c\u00f3 nhi\u1ec1u ch\u1ea1m \u0111\u1ec1 \u0103n b\u00f3ng ho\u1eb7c \u0103n th\u1eb3ng ngay trong ng\u00e0y h\u00f4m sau, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u1ea7u n\u00e0y th\u01b0\u1eddng ch\u1ea1y kh\u00e1 d\u00e0i n\u00ean ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 c\u0103n c\u1ee9 v\u00e0o \u0111\u00f3 \u0111\u1ec3 b\u1eaft ch\u1ea1m chu\u1ea9n \u0111\u1ec3 \u0111\u00e1nh.<\/span><\/p>\n
Th\u1ef1c hi\u1ec7n gh\u00e9p d\u00e0n \u0111\u1ec1 \u1edf gi\u1ea3i 5: theo \u0111\u00f3 ng\u01b0\u1eddi ch\u01a1i ph\u1ea3i l\u1ea5y to\u00e0n b\u1ed9 c\u00e1c con s\u1ed1 ngo\u00e0i c\u00f9ng c\u1ee7a gi\u1ea3i 5 \u0111em gh\u00e9p v\u1edbi c\u00e1c ch\u1ea1m c\u1ee7a gi\u1ea3i 5.3, nh\u01b0 v\u1eady s\u1ebd t\u1ea1o th\u00e0nh \u0111\u01b0\u1ee3c m\u1ed9t d\u00e0n \u0111\u1ec1 \u0111\u00e1nh cho ng\u00e0y h\u00f4m sau. C\u00f3 th\u1ec3 d\u00f9ng c\u00e1ch \u0111\u00e1nh n\u00e0y \u0111\u1ec3 nu\u00f4i d\u00e0n \u0111\u1ec1 \u0111\u00e1nh quanh n\u0103m.<\/span><\/p>\n
Nu\u00f4i \u0111\u1ea7u 0 v\u00e0 \u0111\u00edt 0: \u0111\u1ec3 v\u1eadn d\u1ee5ng hi\u1ec7u qu\u1ea3 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh l\u00f4 d\u00e0n hi\u1ec7u qu\u1ea3 n\u00e0y th\u00ec b\u1ea1n c\u1ea7n theo d\u00f5i ch\u1eb7t ch\u1ebd t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 xu\u1ea5t hi\u1ec7n \u1edf gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. N\u1ebfu nh\u01b0 ph\u00e1t hi\u1ec7n ra \u1edf gi\u1ea3i \u0111\u1eb7c bi\u1ec7t n\u00e0o m\u00e0 c\u00f3 s\u1ed1 0 xu\u1ea5t hi\u1ec7n \u1edf ngay ch\u00ednh gi\u1eefa, v\u00ed d\u1ee5 nh\u01b0 17045 th\u00ec \u0111\u00f3 ch\u00ednh l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y s\u1eafp c\u00f3 \u0111\u1ea7u 0 ho\u1eb7c l\u00e0 \u0111u\u00f4i 0 ra. Sau \u0111\u00f3 b\u1ea1n ch\u1ec9 c\u1ea7n nu\u00f4i th\u00eam kho\u1ea3ng 5 ng\u00e0y l\u00e0 s\u1ebd v\u1ec1.<\/span><\/p>\n
C\u00e1ch ch\u1ea1m chu\u1ea9n nu\u00f4i trong 5 ng\u00e0y cu\u1ed1i tu\u1ea7n: <\/span><\/h4>\n
v\u1edbi c\u00e1ch n\u00e0y ng\u01b0\u1eddi ch\u01a1i ch\u1ecdn l\u1ea5y s\u1ed1 \u0111\u1ea7u ti\u00ean c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y th\u1ee9 2 \u0111em c\u1ed9ng v\u1edbi con \u0111\u1ea7u ti\u00ean c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y th\u1ee9 3, t\u1ed5ng thu \u0111\u01b0\u1ee3c b\u1ea1n d\u00f9ng \u0111\u1ec3 l\u00e0m ch\u1ea9n nu\u00f4i 5 ng\u00e0y sau s\u1ebd v\u1ec1 v\u00e0 th\u01b0\u1eddng l\u00e0 3 ng\u00e0y \u0111\u00e3 tr\u00fang.<\/span><\/p>\n
C\u00e1ch \u0111\u00e1nh d\u1ed3n t\u1ed5ng: theo \u0111\u00f3 th\u00ec b\u1ea1n ph\u1ea3i l\u1ea5y t\u1ed5ng c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t m\u00e0 trong tu\u1ea7n tr\u01b0\u1edbc \u0111\u00f3 ch\u01b0a ra d\u00f9ng l\u00e0m ch\u1ea1m chu\u1ea9n, \u0111\u1ed3ng th\u1eddi \u0111em gh\u00e9p v\u1edbi nhau t\u1ea1o th\u00e0nh d\u00e0n nu\u00f4i trong m\u1ed9t tu\u1ea7n. Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ec3 nu\u00f4i \u0111\u1ec1 d\u00e0n quanh n\u0103m.<\/span><\/p>\n
C\u00e1ch nu\u00f4i t\u1ed5ng chu\u1ea9n trong tu\u1ea7n: <\/span><\/h4>\n
c\u1ee5 th\u1ec3 h\u00e3y l\u1ea5y con \u0111\u1ea7u ti\u00ean c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y th\u1ee9 2 \u0111em \u0111\u1ed5i b\u00f3ng l\u00e0m t\u1ed5ng chu\u1ea9n nu\u00f4i trong 1 tu\u1ea7n, \u0111\u1ebfn cu\u1ed1i tu\u1ea7n l\u00e0 s\u1ebd \u0111\u01b0\u1ee3c \u0103n.<\/span><\/p>\n
<\/p>\n
\u0110em gh\u00e9p d\u00e0n nu\u00f4i t\u1eeb v\u1ecb tr\u00ed c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t: c\u00e1ch n\u00e0y th\u1ef1c hi\u1ec7n c\u0169ng kh\u00e1 \u0111\u01a1n gi\u1ea3n, ng\u01b0\u1eddi ch\u01a1i ch\u1ec9 c\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c v\u1ecb tr\u00ed th\u1ee9 nh\u1ea5t gi\u1ea3i \u0111\u1eb7c bi\u1ec7t t\u1eeb th\u1ee9 2 cho \u0111\u1ebfn ch\u1ee7 nh\u1eadt trong tu\u1ea7n tr\u01b0\u1edbc \u0111\u00f3, sau \u0111\u00f3 \u0111em gh\u00e9p v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh ch\u1ea1m chu\u1ea9n gh\u00e9p d\u00e0n \u0111\u1eb7c bi\u1ec7t nu\u00f4i tu\u1ea7n. T\u01b0\u01a1ng t\u1ef1 l\u1ea5y c\u00e1c v\u1ecb tr\u00ed th\u1ee9 2, 3, 4, 5 \u0111\u1ec3 gh\u00e9p l\u1ea1i.<\/span><\/p>\n
Ch\u1ecdn l\u00f4 nu\u00f4i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p b\u1eaft l\u00f4 \u0111\u1ec1 d\u00e0n \u0111\u00e3 v\u00e0 \u0111ang l\u00e0 ph\u01b0\u01a1ng ph\u00e1p b\u1eaft l\u00f4 d\u00e0n t\u1ed1t nh\u1ea5t \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 chi\u1ebfn th\u1eafng. Ngo\u00e0i ra, ph\u01b0\u01a1ng ph\u00e1p b\u1eaft l\u00f4 \u0111\u1ec1 d\u00e0n c\u00f3 s\u1ef1 ch\u1ecdn l\u1ecdc theo t\u1ef7 l\u1ec7 ch\u00ednh x\u00e1c nh\u1ea5t.<\/span><\/p>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n
<\/main><\/div>\n<\/div>\n<\/div>\n
<\/h4>\n
c\u1ea7u \u0111\u1eb9p uy t\u00edn ch\u00ednh x\u00e1c mb<\/span><\/strong><\/h4>\n
- C\u00e1c lo\u1ea1i d\u00e0n \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/span><\/li>\n
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N\u1ed9i dung<\/span>[Hi\u1ec3n th\u1ecb]<\/span><\/span><\/div>\n