D\u00e0n \u0111\u1ec1 l\u00e0 g\u00ec?<\/strong><\/span><\/h3>\nT\u1eadp h\u1ee3p c\u00e1c con s\u1ed1 hay m\u1ed9t chu\u1ed7i s\u1ed1 c\u1ee5 th\u1ec3 m\u00e0 c\u00e1c AE ch\u1ecdn ra \u0111\u1ec3 ghi \u0111\u1ec1 th\u00ec ng\u01b0\u1eddi ta hay g\u1ecdi d\u00e0n \u0111\u1ec1.<\/p>\n
N\u00f3 l\u00e0 nh\u1eefng con s\u1ed1 c\u00f3 kh\u1ea3 n\u0103ng v\u1ec1 cao trong ng\u00e0y h\u00f4m \u0111\u00f3, hay m\u1ed9t nh\u00f3m s\u1ed1 m\u00e0 c\u00e1c anh em y\u00eau th\u00edch, t\u1ed5ng h\u1ee3p l\u1ea1i \u0111\u1ec1u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 d\u00e0n \u0111\u1ec1.<\/p>\n
Nhi\u1ec1u ng\u01b0\u1eddi cho r\u1eb1ng \u0111\u00e1nh d\u00e0n \u0111\u1ec1 nhi\u1ec1u s\u1ed1 th\u00ec t\u1ec9 l\u1ec7 \u0103n cao ch\u01a1i d\u1ec5. Nh\u01b0ng vi\u1ec7c l\u1ef1a ch\u1ecdn nh\u1eefng con s\u1ed1 kh\u00f4ng h\u1ec1 \u0111\u01a1n gi\u1ea3n m\u1ed9t ch\u00fat n\u00e0o c\u1ea3. V\u1eady ch\u01a1i d\u00e0n \u0111\u1ec1 nhi\u1ec1u s\u1ed1 v\u1edbi ch\u01a1i d\u00e0n \u0111\u1ec1 \u00edt s\u1ed1 n\u00f3 c\u00f3 nh\u1eefng \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m g\u00ec m\u1ecdi ng\u01b0\u1eddi c\u00f9ng \u0111i t\u00ecm hi\u1ec3u nha.<\/p>\n
\u0110\u00e1nh \u0111\u1ec1 d\u00e0n \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m g\u00ec?
\n<\/strong><\/span><\/h3>\n
<\/p>\n
C\u00e1c lo\u1ea1i d\u00e0n \u0111\u1ec1 c\u00e1c anh em th\u01b0\u1eddng ch\u01a1i l\u00e0 d\u00e0n 65 s\u1ed1, 50 s\u1ed1, 30 s\u1ed1 v\u00e0 24 s\u1ed1.\u00a0D\u00e0n 65 s\u1ed1 t\u1ec9 l\u1ec7 l\u00e0 65%<\/p>\n
D\u00e0n 50 s\u1ed1 t\u1ec9 l\u1ec7 l\u00e0 50%<\/p>\n
D\u00e0n 20 s\u1ed1 t\u1ec9 l\u1ec7 l\u00e0 20%<\/p>\n
D\u00e0n bao nhi\u00eau s\u1ed1 th\u00ec t\u01b0\u01a1ng \u1ee9ng v\u1edbi b\u1ea5y nhi\u00eau % t\u1ec9 l\u1ec7 v\u1ec1.<\/p>\n
\u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m d\u00e0n nhi\u1ec1u s\u1ed1 (>45 s\u1ed1)<\/strong><\/span><\/h4>\n\n- \u01afu \u0111i\u1ec1m \u0111\u00e1nh d\u00e0n nhi\u1ec1u s\u1ed1 l\u00e0 t\u1ec9 l\u1ec7 \u0103n c\u00e0ng cao, d\u1ec5 ch\u01a1i d\u1ec5 tr\u00fang.<\/li>\n
- Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u00e1ch n\u00e0y th\u01b0\u1eddng th\u00ec \u0103n \u0111\u1ec1u mu\u1ed1n l\u00e3i l\u1edbn th\u00ec ph\u1ea3i \u0111\u00e1nh to, v\u1ed1n nhi\u1ec1u, r\u1ee7i ro cao.<\/li>\n
- V\u00ed d\u1ee5: \u0110\u00e1nh d\u00e0n 65 s\u1ed1 m\u1ed7i s\u1ed1 \u0111\u00e1nh 1k, tr\u00fang th\u00ec \u0103n 99k tr\u1eeb \u0111i 65k ti\u1ec1n v\u1ed1n l\u00e3i t\u1ed5ng c\u1ed9ng l\u00e0 30k. C\u00f2n ng\u01b0\u1ee3c l\u1ea1i th\u00ec m\u1ecdi ng\u01b0\u1eddi t\u1ef1 t\u00ednh nha. ^<\/li>\n<\/ul>\n
\u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m d\u00e0n \u00edt s\u1ed1 (<45 s\u1ed1)<\/strong><\/span><\/h4>\n\n- \u01afu \u0111i\u1ec1m \u0111\u00e1nh d\u00e0n \u00edt s\u1ed1 l\u00e0 t\u1ec9 l\u1ec7 \u0103n kh\u00f4ng \u0111\u01b0\u1ee3c cao, t\u1ec9 l\u1ec7 l\u00e3i l\u1edbn, v\u1ed1n nh\u1ecf.<\/li>\n
- Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u00e1ch n\u00e0y th\u01b0\u1eddng th\u00ec \u0103n nhi\u1ec1u nh\u01b0ng mu\u1ed1n \u0111\u1ec1u th\u00ec c\u1ea7n t\u00ednh to\u00e1n t\u1eadp trung cao \u0111\u1ed9, r\u1ee7i ro cao.<\/li>\n
- V\u00ed d\u1ee5: \u0110\u00e1nh d\u00e0n 25 s\u1ed1 m\u1ed7i s\u1ed1 \u0111\u00e1nh 1k, tr\u00fang th\u00ec \u0103n 99k tr\u1eeb \u0111i 25k ti\u1ec1n v\u1ed1n l\u00e3i t\u1ed5ng c\u1ed9ng l\u00e0 70k.<\/li>\n<\/ul>\n
C\u00f3 l\u1ebd \u0111\u1ec3 l\u00ean 1 d\u00e0n \u0111\u1ec3 ch\u01a1i b\u00ecnh th\u01b0\u1eddng \u0111\u1ed1i v\u1edbi m\u1ecdi ng\u01b0\u1eddi, hay c\u00e1c ae game th\u1ee7 n\u00f3i chung l\u00e0 d\u1ec5 d\u00e0ng nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng l\u00ean v\u00e0 ch\u1ecdn \u0111\u01b0\u1ee3c nh\u1eefng con s\u1ed1 chu\u1ea9n \u0111\u1eb9p.<\/p>\n
C\u00e1c ki\u1ec3u d\u00e0n d\u1ec1 l\u00f4 th\u1ee7 chuy\u00ean nghi\u1ec7p hay ch\u01a1i.<\/strong><\/span><\/h3>\n
<\/p>\n
L\u00e0 m\u1ed9t d\u00e3y s\u1ed1 g\u1ed3m c\u00e1c c\u1eb7p s\u1ed1 m\u00e0 t\u1ed5ng 2 s\u1ed1 c\u1ed9ng l\u1ea1i b\u1eb1ng nhau.<\/span><\/h4>\nV\u00ed d\u1ee5:<\/p>\n
D\u00e0n t\u1ed5ng b\u1eb1ng 0: 00,19,28,37,46,55,64,73,82,91
\nD\u00e0n t\u1ed5ng b\u1eb1ng 1: 01,10,29,38,47,56,65,74,83,92
\nD\u00e0n t\u1ed5ng b\u1eb1ng 2: 02,11,20,39,48,57,66,75,84,93
\nD\u00e0n t\u1ed5ng b\u1eb1ng 3: 03,12,21,30,49,58,67,76,85,94
\nD\u00e0n t\u1ed5ng b\u1eb1ng 4: 04,13,22,31,40,59,68,77,86,95
\nD\u00e0n t\u1ed5ng b\u1eb1ng 5: 05,14,23,32,41,50,69,78,87,96
\nD\u00e0n t\u1ed5ng b\u1eb1ng 6: 06,15,24,33,42,51,60,79,88,97
\nD\u00e0n t\u1ed5ng b\u1eb1ng 7: 07,16,25,34,43,52,61,70,89,98
\nD\u00e0n t\u1ed5ng b\u1eb1ng 8: 08,17,26,35,44,53,62,71,80,99
\nD\u00e0n t\u1ed5ng b\u1eb1ng 9: 09,18,27,36,45,54,63,72,81,90<\/p>\n
D\u00e0n \u0111\u1ec1 theo \u0111\u1ea7u (\u0110\u1ec1 ch\u1ea1m)<\/strong><\/span><\/h4>\nL\u00e0 khi ch\u00fang ta t\u1ea1o d\u00e0n ch\u1ecdn ng\u1eabu nhi\u00ean 1 s\u1ed1 l\u00e0m \u0111\u1ea7u.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
D\u00e0n \u0111\u1ea7u 0: 00,01,02,03,04,05,06,07,08,09
\nD\u00e0n \u0111\u1ea7u 1: 10,11,12,13,14,15,16,17,18,19
\nD\u00e0n \u0111\u1ea7u 2: 20,21,22,23,24,25,26,27,28,29
\nD\u00e0n \u0111\u1ea7u 3: 30,31,32,33,34,35,36,37,38,39
\nD\u00e0n \u0111\u1ea7u 4: 40,41,42,43,44,45,46,47,48,49
\nD\u00e0n \u0111\u1ea7u 5: 50,51,52,53,54,55,56,57,58,59
\nD\u00e0n \u0111\u1ea7u 6: 60,61,62,63,64,65,66,67,68,69
\nD\u00e0n \u0111\u1ea7u 7: 70,71,72,73,74,75,76,77,78,79
\nD\u00e0n \u0111\u1ea7u 8: 80,81,82,83,84,85,86,87,88,89
\nD\u00e0n \u0111\u1ea7u 9: 90,91,92,93,94,95,96,97,98,99<\/p>\n
D\u00e0n \u0111\u1ec1 theo \u0111u\u00f4i<\/strong><\/span><\/h4>\nL\u00e0 khi ch\u00fang ta t\u1ea1o d\u00e0n ch\u1ecdn ng\u1eabu nhi\u00ean 1 s\u1ed1 l\u00e0m \u0111u\u00f4i.<\/p>\n
<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
D\u00e0n \u0110u\u00f4i 0: 00,10,20,30,40,50,60,70,80,90
\nD\u00e0n \u0110u\u00f4i 1: 01,11,21,31,41,51,61,71,81,91
\nD\u00e0n \u0110u\u00f4i 2: 02,12,22,32,42,52,62,72,82,92
\nD\u00e0n \u0110u\u00f4i 3: 03,13,23,33,43,53,63,73,83,93
\nD\u00e0n \u0110u\u00f4i 4: 04,14,24,34,44,54,64,74,84,94
\nD\u00e0n \u0110u\u00f4i 5: 05,15,25,35,45,55,65,75,85,95
\nD\u00e0n \u0110u\u00f4i 6: 06,16,26,36,46,56,66,76,86,96
\nD\u00e0n \u0110u\u00f4i 7: 07,17,27,37,47,57,67,77,87,97
\nD\u00e0n \u0110u\u00f4i 8: 08,18,28,38,48,58,68,78,88,98
\nD\u00e0n \u0110u\u00f4i 9: 09,19,29,39,49,59,69,79,89,99<\/p>\n
D\u00e0n \u0111\u1ec1 theo c\u1eb7p s\u1ed1<\/strong><\/span><\/h4>\nD\u00e0n theo c\u1eb7p 0,1: 00,11,01,10. D\u00e0n theo c\u1eb7p 6,9: 66,99,69,96.<\/p>\n
D\u00e0n \u0111\u1ec1 theo 12 con gi\u00e1p<\/strong><\/span><\/h4>\nT\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1eebng con gi\u00e1p s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t con s\u1ed1 nh\u1ea5t \u0111\u1ecbnh d\u1ef1a v\u00e0o \u0111\u00f3 m\u00ecnh l\u00ean d\u00e0n cho h\u1ee3p l\u00fd.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
T\u00fd: 00, 12, 24,36, 48, 60, 72, 84, 96
\nS\u1eedu: 01, 13, 25, 37, 49, 61, 73, 85, 97
\nD\u1ea7n: 02, 14, 26, 38, 50, 62, 74, 86, 98
\nM\u00e3o: 03, 15, 27, 39, 51, 63, 75, 87, 99
\nTh\u00ecn: 04, 16, 28, 40, 52, 64, 76, 88
\nT\u1ef5: 05, 17, 29, 41, 53, 65, 77, 89
\nNg\u1ecd: 06, 18, 30, 42, 54, 66, 78, 90
\nM\u00f9i: 07, 19, 31, 43, 55, 67, 79, 91
\nTh\u00e2n: 08, 20, 32, 44, 56, 68, 80, 92
\nD\u1eadu: 09, 21, 33, 45, 57, 69, 81, 93
\nTu\u1ea5t: 10, 22, 34, 46, 58, 70, 82, 94
\nH\u01a1i: 11, 23, 35, 47, 59, 71, 83, 95<\/p>\n
<\/p>\n
K\u1ebft lu\u1eadn chung<\/strong><\/h3>\nV\u1edbi nh\u1eefng c\u00e1ch c\u00e1ch l\u00ean d\u00e0n \u0111\u1ed9c \u0111\u00e1o \u0111\u1eb7c bi\u1ec7t nh\u01b0 v\u1eady. Hi v\u1ecdng m\u1ecdi ng\u01b0\u1eddi s\u1ebd l\u00ean \u0111\u01b0\u1ee3c cho m\u00ecnh nh\u1eefng d\u00e0n \u0111\u1ec1 b\u1ea5t b\u1ea1i \u0111\u00e1nh s\u1eadp nh\u00e0 c\u00e1i nh\u00e9! H\u00e3y y\u00ean t\u00e2m v\u1edbi c\u1ea7u m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 chia s\u1ebb, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 xem l\u1ea1i c\u00e1c b\u00e0i tr\u01b0\u1edbc th\u00ec s\u1ebd r\u00f5. To\u00e0n b\u1ed9 soi c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec1u chu\u1ea9n v\u00e0 ch\u00ednh x\u00e1c. Nhi\u1ec1u b\u1ea1n \u0111\u00e3 th\u00e0nh c\u00f4ng r\u1ef1c r\u1ee1 v\u1edbi h\u1ec7 th\u1ed1ng c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i. Ni\u1ec1m Vui c\u1ee7a b\u1ea1n l\u00e0 h\u1ea1nh ph\u00fac c\u1ee7a ch\u00fang t\u00f4i. L\u00e0m g\u00ec ch\u00fang t\u00f4i c\u0169ng \u0111\u1eb7t c\u00e1i t\u00e2m c\u1ee7a m\u00ecnh v\u00e0o \u0111\u00f3. B\u1ea1n h\u00e3y th\u1eed v\u00e0 t\u1eadn h\u01b0\u1edfng chi\u1ebfn th\u1eafng v\u1edbi t\u1eebng con s\u1ed1 ch\u00fang t\u00f4i \u0111\u01b0a ra!<\/p>\n<\/div>\n<\/div>\n<\/article>\n
chuy\u00ean gia ch\u1ed1t s\u1ed1 v\u00edp si\u00eau h\u00f3t<\/strong><\/span><\/h3>\n\n
\n<\/strong><\/span><\/h3>\n
<\/p>\n
C\u00e1c lo\u1ea1i d\u00e0n \u0111\u1ec1 c\u00e1c anh em th\u01b0\u1eddng ch\u01a1i l\u00e0 d\u00e0n 65 s\u1ed1, 50 s\u1ed1, 30 s\u1ed1 v\u00e0 24 s\u1ed1.\u00a0D\u00e0n 65 s\u1ed1 t\u1ec9 l\u1ec7 l\u00e0 65%<\/p>\n
D\u00e0n 50 s\u1ed1 t\u1ec9 l\u1ec7 l\u00e0 50%<\/p>\n
D\u00e0n 20 s\u1ed1 t\u1ec9 l\u1ec7 l\u00e0 20%<\/p>\n
D\u00e0n bao nhi\u00eau s\u1ed1 th\u00ec t\u01b0\u01a1ng \u1ee9ng v\u1edbi b\u1ea5y nhi\u00eau % t\u1ec9 l\u1ec7 v\u1ec1.<\/p>\n
\u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m d\u00e0n nhi\u1ec1u s\u1ed1 (>45 s\u1ed1)<\/strong><\/span><\/h4>\n\n- \u01afu \u0111i\u1ec1m \u0111\u00e1nh d\u00e0n nhi\u1ec1u s\u1ed1 l\u00e0 t\u1ec9 l\u1ec7 \u0103n c\u00e0ng cao, d\u1ec5 ch\u01a1i d\u1ec5 tr\u00fang.<\/li>\n
- Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u00e1ch n\u00e0y th\u01b0\u1eddng th\u00ec \u0103n \u0111\u1ec1u mu\u1ed1n l\u00e3i l\u1edbn th\u00ec ph\u1ea3i \u0111\u00e1nh to, v\u1ed1n nhi\u1ec1u, r\u1ee7i ro cao.<\/li>\n
- V\u00ed d\u1ee5: \u0110\u00e1nh d\u00e0n 65 s\u1ed1 m\u1ed7i s\u1ed1 \u0111\u00e1nh 1k, tr\u00fang th\u00ec \u0103n 99k tr\u1eeb \u0111i 65k ti\u1ec1n v\u1ed1n l\u00e3i t\u1ed5ng c\u1ed9ng l\u00e0 30k. C\u00f2n ng\u01b0\u1ee3c l\u1ea1i th\u00ec m\u1ecdi ng\u01b0\u1eddi t\u1ef1 t\u00ednh nha. ^<\/li>\n<\/ul>\n
\u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m d\u00e0n \u00edt s\u1ed1 (<45 s\u1ed1)<\/strong><\/span><\/h4>\n\n- \u01afu \u0111i\u1ec1m \u0111\u00e1nh d\u00e0n \u00edt s\u1ed1 l\u00e0 t\u1ec9 l\u1ec7 \u0103n kh\u00f4ng \u0111\u01b0\u1ee3c cao, t\u1ec9 l\u1ec7 l\u00e3i l\u1edbn, v\u1ed1n nh\u1ecf.<\/li>\n
- Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u00e1ch n\u00e0y th\u01b0\u1eddng th\u00ec \u0103n nhi\u1ec1u nh\u01b0ng mu\u1ed1n \u0111\u1ec1u th\u00ec c\u1ea7n t\u00ednh to\u00e1n t\u1eadp trung cao \u0111\u1ed9, r\u1ee7i ro cao.<\/li>\n
- V\u00ed d\u1ee5: \u0110\u00e1nh d\u00e0n 25 s\u1ed1 m\u1ed7i s\u1ed1 \u0111\u00e1nh 1k, tr\u00fang th\u00ec \u0103n 99k tr\u1eeb \u0111i 25k ti\u1ec1n v\u1ed1n l\u00e3i t\u1ed5ng c\u1ed9ng l\u00e0 70k.<\/li>\n<\/ul>\n
C\u00f3 l\u1ebd \u0111\u1ec3 l\u00ean 1 d\u00e0n \u0111\u1ec3 ch\u01a1i b\u00ecnh th\u01b0\u1eddng \u0111\u1ed1i v\u1edbi m\u1ecdi ng\u01b0\u1eddi, hay c\u00e1c ae game th\u1ee7 n\u00f3i chung l\u00e0 d\u1ec5 d\u00e0ng nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng l\u00ean v\u00e0 ch\u1ecdn \u0111\u01b0\u1ee3c nh\u1eefng con s\u1ed1 chu\u1ea9n \u0111\u1eb9p.<\/p>\n
C\u00e1c ki\u1ec3u d\u00e0n d\u1ec1 l\u00f4 th\u1ee7 chuy\u00ean nghi\u1ec7p hay ch\u01a1i.<\/strong><\/span><\/h3>\n
<\/p>\n
L\u00e0 m\u1ed9t d\u00e3y s\u1ed1 g\u1ed3m c\u00e1c c\u1eb7p s\u1ed1 m\u00e0 t\u1ed5ng 2 s\u1ed1 c\u1ed9ng l\u1ea1i b\u1eb1ng nhau.<\/span><\/h4>\nV\u00ed d\u1ee5:<\/p>\n
D\u00e0n t\u1ed5ng b\u1eb1ng 0: 00,19,28,37,46,55,64,73,82,91
\nD\u00e0n t\u1ed5ng b\u1eb1ng 1: 01,10,29,38,47,56,65,74,83,92
\nD\u00e0n t\u1ed5ng b\u1eb1ng 2: 02,11,20,39,48,57,66,75,84,93
\nD\u00e0n t\u1ed5ng b\u1eb1ng 3: 03,12,21,30,49,58,67,76,85,94
\nD\u00e0n t\u1ed5ng b\u1eb1ng 4: 04,13,22,31,40,59,68,77,86,95
\nD\u00e0n t\u1ed5ng b\u1eb1ng 5: 05,14,23,32,41,50,69,78,87,96
\nD\u00e0n t\u1ed5ng b\u1eb1ng 6: 06,15,24,33,42,51,60,79,88,97
\nD\u00e0n t\u1ed5ng b\u1eb1ng 7: 07,16,25,34,43,52,61,70,89,98
\nD\u00e0n t\u1ed5ng b\u1eb1ng 8: 08,17,26,35,44,53,62,71,80,99
\nD\u00e0n t\u1ed5ng b\u1eb1ng 9: 09,18,27,36,45,54,63,72,81,90<\/p>\n
D\u00e0n \u0111\u1ec1 theo \u0111\u1ea7u (\u0110\u1ec1 ch\u1ea1m)<\/strong><\/span><\/h4>\nL\u00e0 khi ch\u00fang ta t\u1ea1o d\u00e0n ch\u1ecdn ng\u1eabu nhi\u00ean 1 s\u1ed1 l\u00e0m \u0111\u1ea7u.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
D\u00e0n \u0111\u1ea7u 0: 00,01,02,03,04,05,06,07,08,09
\nD\u00e0n \u0111\u1ea7u 1: 10,11,12,13,14,15,16,17,18,19
\nD\u00e0n \u0111\u1ea7u 2: 20,21,22,23,24,25,26,27,28,29
\nD\u00e0n \u0111\u1ea7u 3: 30,31,32,33,34,35,36,37,38,39
\nD\u00e0n \u0111\u1ea7u 4: 40,41,42,43,44,45,46,47,48,49
\nD\u00e0n \u0111\u1ea7u 5: 50,51,52,53,54,55,56,57,58,59
\nD\u00e0n \u0111\u1ea7u 6: 60,61,62,63,64,65,66,67,68,69
\nD\u00e0n \u0111\u1ea7u 7: 70,71,72,73,74,75,76,77,78,79
\nD\u00e0n \u0111\u1ea7u 8: 80,81,82,83,84,85,86,87,88,89
\nD\u00e0n \u0111\u1ea7u 9: 90,91,92,93,94,95,96,97,98,99<\/p>\n
D\u00e0n \u0111\u1ec1 theo \u0111u\u00f4i<\/strong><\/span><\/h4>\nL\u00e0 khi ch\u00fang ta t\u1ea1o d\u00e0n ch\u1ecdn ng\u1eabu nhi\u00ean 1 s\u1ed1 l\u00e0m \u0111u\u00f4i.<\/p>\n
<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
D\u00e0n \u0110u\u00f4i 0: 00,10,20,30,40,50,60,70,80,90
\nD\u00e0n \u0110u\u00f4i 1: 01,11,21,31,41,51,61,71,81,91
\nD\u00e0n \u0110u\u00f4i 2: 02,12,22,32,42,52,62,72,82,92
\nD\u00e0n \u0110u\u00f4i 3: 03,13,23,33,43,53,63,73,83,93
\nD\u00e0n \u0110u\u00f4i 4: 04,14,24,34,44,54,64,74,84,94
\nD\u00e0n \u0110u\u00f4i 5: 05,15,25,35,45,55,65,75,85,95
\nD\u00e0n \u0110u\u00f4i 6: 06,16,26,36,46,56,66,76,86,96
\nD\u00e0n \u0110u\u00f4i 7: 07,17,27,37,47,57,67,77,87,97
\nD\u00e0n \u0110u\u00f4i 8: 08,18,28,38,48,58,68,78,88,98
\nD\u00e0n \u0110u\u00f4i 9: 09,19,29,39,49,59,69,79,89,99<\/p>\n
D\u00e0n \u0111\u1ec1 theo c\u1eb7p s\u1ed1<\/strong><\/span><\/h4>\nD\u00e0n theo c\u1eb7p 0,1: 00,11,01,10. D\u00e0n theo c\u1eb7p 6,9: 66,99,69,96.<\/p>\n
D\u00e0n \u0111\u1ec1 theo 12 con gi\u00e1p<\/strong><\/span><\/h4>\nT\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1eebng con gi\u00e1p s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t con s\u1ed1 nh\u1ea5t \u0111\u1ecbnh d\u1ef1a v\u00e0o \u0111\u00f3 m\u00ecnh l\u00ean d\u00e0n cho h\u1ee3p l\u00fd.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
T\u00fd: 00, 12, 24,36, 48, 60, 72, 84, 96
\nS\u1eedu: 01, 13, 25, 37, 49, 61, 73, 85, 97
\nD\u1ea7n: 02, 14, 26, 38, 50, 62, 74, 86, 98
\nM\u00e3o: 03, 15, 27, 39, 51, 63, 75, 87, 99
\nTh\u00ecn: 04, 16, 28, 40, 52, 64, 76, 88
\nT\u1ef5: 05, 17, 29, 41, 53, 65, 77, 89
\nNg\u1ecd: 06, 18, 30, 42, 54, 66, 78, 90
\nM\u00f9i: 07, 19, 31, 43, 55, 67, 79, 91
\nTh\u00e2n: 08, 20, 32, 44, 56, 68, 80, 92
\nD\u1eadu: 09, 21, 33, 45, 57, 69, 81, 93
\nTu\u1ea5t: 10, 22, 34, 46, 58, 70, 82, 94
\nH\u01a1i: 11, 23, 35, 47, 59, 71, 83, 95<\/p>\n
<\/p>\n
K\u1ebft lu\u1eadn chung<\/strong><\/h3>\nV\u1edbi nh\u1eefng c\u00e1ch c\u00e1ch l\u00ean d\u00e0n \u0111\u1ed9c \u0111\u00e1o \u0111\u1eb7c bi\u1ec7t nh\u01b0 v\u1eady. Hi v\u1ecdng m\u1ecdi ng\u01b0\u1eddi s\u1ebd l\u00ean \u0111\u01b0\u1ee3c cho m\u00ecnh nh\u1eefng d\u00e0n \u0111\u1ec1 b\u1ea5t b\u1ea1i \u0111\u00e1nh s\u1eadp nh\u00e0 c\u00e1i nh\u00e9! H\u00e3y y\u00ean t\u00e2m v\u1edbi c\u1ea7u m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 chia s\u1ebb, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 xem l\u1ea1i c\u00e1c b\u00e0i tr\u01b0\u1edbc th\u00ec s\u1ebd r\u00f5. To\u00e0n b\u1ed9 soi c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec1u chu\u1ea9n v\u00e0 ch\u00ednh x\u00e1c. Nhi\u1ec1u b\u1ea1n \u0111\u00e3 th\u00e0nh c\u00f4ng r\u1ef1c r\u1ee1 v\u1edbi h\u1ec7 th\u1ed1ng c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i. Ni\u1ec1m Vui c\u1ee7a b\u1ea1n l\u00e0 h\u1ea1nh ph\u00fac c\u1ee7a ch\u00fang t\u00f4i. L\u00e0m g\u00ec ch\u00fang t\u00f4i c\u0169ng \u0111\u1eb7t c\u00e1i t\u00e2m c\u1ee7a m\u00ecnh v\u00e0o \u0111\u00f3. B\u1ea1n h\u00e3y th\u1eed v\u00e0 t\u1eadn h\u01b0\u1edfng chi\u1ebfn th\u1eafng v\u1edbi t\u1eebng con s\u1ed1 ch\u00fang t\u00f4i \u0111\u01b0a ra!<\/p>\n<\/div>\n<\/div>\n<\/article>\n
chuy\u00ean gia ch\u1ed1t s\u1ed1 v\u00edp si\u00eau h\u00f3t<\/strong><\/span><\/h3>\n\n
\u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m d\u00e0n \u00edt s\u1ed1 (<45 s\u1ed1)<\/strong><\/span><\/h4>\n\n- \u01afu \u0111i\u1ec1m \u0111\u00e1nh d\u00e0n \u00edt s\u1ed1 l\u00e0 t\u1ec9 l\u1ec7 \u0103n kh\u00f4ng \u0111\u01b0\u1ee3c cao, t\u1ec9 l\u1ec7 l\u00e3i l\u1edbn, v\u1ed1n nh\u1ecf.<\/li>\n
- Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u00e1ch n\u00e0y th\u01b0\u1eddng th\u00ec \u0103n nhi\u1ec1u nh\u01b0ng mu\u1ed1n \u0111\u1ec1u th\u00ec c\u1ea7n t\u00ednh to\u00e1n t\u1eadp trung cao \u0111\u1ed9, r\u1ee7i ro cao.<\/li>\n
- V\u00ed d\u1ee5: \u0110\u00e1nh d\u00e0n 25 s\u1ed1 m\u1ed7i s\u1ed1 \u0111\u00e1nh 1k, tr\u00fang th\u00ec \u0103n 99k tr\u1eeb \u0111i 25k ti\u1ec1n v\u1ed1n l\u00e3i t\u1ed5ng c\u1ed9ng l\u00e0 70k.<\/li>\n<\/ul>\n
C\u00f3 l\u1ebd \u0111\u1ec3 l\u00ean 1 d\u00e0n \u0111\u1ec3 ch\u01a1i b\u00ecnh th\u01b0\u1eddng \u0111\u1ed1i v\u1edbi m\u1ecdi ng\u01b0\u1eddi, hay c\u00e1c ae game th\u1ee7 n\u00f3i chung l\u00e0 d\u1ec5 d\u00e0ng nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng l\u00ean v\u00e0 ch\u1ecdn \u0111\u01b0\u1ee3c nh\u1eefng con s\u1ed1 chu\u1ea9n \u0111\u1eb9p.<\/p>\n
C\u00e1c ki\u1ec3u d\u00e0n d\u1ec1 l\u00f4 th\u1ee7 chuy\u00ean nghi\u1ec7p hay ch\u01a1i.<\/strong><\/span><\/h3>\n
<\/p>\n
L\u00e0 m\u1ed9t d\u00e3y s\u1ed1 g\u1ed3m c\u00e1c c\u1eb7p s\u1ed1 m\u00e0 t\u1ed5ng 2 s\u1ed1 c\u1ed9ng l\u1ea1i b\u1eb1ng nhau.<\/span><\/h4>\nV\u00ed d\u1ee5:<\/p>\n
D\u00e0n t\u1ed5ng b\u1eb1ng 0: 00,19,28,37,46,55,64,73,82,91
\nD\u00e0n t\u1ed5ng b\u1eb1ng 1: 01,10,29,38,47,56,65,74,83,92
\nD\u00e0n t\u1ed5ng b\u1eb1ng 2: 02,11,20,39,48,57,66,75,84,93
\nD\u00e0n t\u1ed5ng b\u1eb1ng 3: 03,12,21,30,49,58,67,76,85,94
\nD\u00e0n t\u1ed5ng b\u1eb1ng 4: 04,13,22,31,40,59,68,77,86,95
\nD\u00e0n t\u1ed5ng b\u1eb1ng 5: 05,14,23,32,41,50,69,78,87,96
\nD\u00e0n t\u1ed5ng b\u1eb1ng 6: 06,15,24,33,42,51,60,79,88,97
\nD\u00e0n t\u1ed5ng b\u1eb1ng 7: 07,16,25,34,43,52,61,70,89,98
\nD\u00e0n t\u1ed5ng b\u1eb1ng 8: 08,17,26,35,44,53,62,71,80,99
\nD\u00e0n t\u1ed5ng b\u1eb1ng 9: 09,18,27,36,45,54,63,72,81,90<\/p>\n
D\u00e0n \u0111\u1ec1 theo \u0111\u1ea7u (\u0110\u1ec1 ch\u1ea1m)<\/strong><\/span><\/h4>\nL\u00e0 khi ch\u00fang ta t\u1ea1o d\u00e0n ch\u1ecdn ng\u1eabu nhi\u00ean 1 s\u1ed1 l\u00e0m \u0111\u1ea7u.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
D\u00e0n \u0111\u1ea7u 0: 00,01,02,03,04,05,06,07,08,09
\nD\u00e0n \u0111\u1ea7u 1: 10,11,12,13,14,15,16,17,18,19
\nD\u00e0n \u0111\u1ea7u 2: 20,21,22,23,24,25,26,27,28,29
\nD\u00e0n \u0111\u1ea7u 3: 30,31,32,33,34,35,36,37,38,39
\nD\u00e0n \u0111\u1ea7u 4: 40,41,42,43,44,45,46,47,48,49
\nD\u00e0n \u0111\u1ea7u 5: 50,51,52,53,54,55,56,57,58,59
\nD\u00e0n \u0111\u1ea7u 6: 60,61,62,63,64,65,66,67,68,69
\nD\u00e0n \u0111\u1ea7u 7: 70,71,72,73,74,75,76,77,78,79
\nD\u00e0n \u0111\u1ea7u 8: 80,81,82,83,84,85,86,87,88,89
\nD\u00e0n \u0111\u1ea7u 9: 90,91,92,93,94,95,96,97,98,99<\/p>\n
D\u00e0n \u0111\u1ec1 theo \u0111u\u00f4i<\/strong><\/span><\/h4>\nL\u00e0 khi ch\u00fang ta t\u1ea1o d\u00e0n ch\u1ecdn ng\u1eabu nhi\u00ean 1 s\u1ed1 l\u00e0m \u0111u\u00f4i.<\/p>\n
<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
D\u00e0n \u0110u\u00f4i 0: 00,10,20,30,40,50,60,70,80,90
\nD\u00e0n \u0110u\u00f4i 1: 01,11,21,31,41,51,61,71,81,91
\nD\u00e0n \u0110u\u00f4i 2: 02,12,22,32,42,52,62,72,82,92
\nD\u00e0n \u0110u\u00f4i 3: 03,13,23,33,43,53,63,73,83,93
\nD\u00e0n \u0110u\u00f4i 4: 04,14,24,34,44,54,64,74,84,94
\nD\u00e0n \u0110u\u00f4i 5: 05,15,25,35,45,55,65,75,85,95
\nD\u00e0n \u0110u\u00f4i 6: 06,16,26,36,46,56,66,76,86,96
\nD\u00e0n \u0110u\u00f4i 7: 07,17,27,37,47,57,67,77,87,97
\nD\u00e0n \u0110u\u00f4i 8: 08,18,28,38,48,58,68,78,88,98
\nD\u00e0n \u0110u\u00f4i 9: 09,19,29,39,49,59,69,79,89,99<\/p>\n
D\u00e0n \u0111\u1ec1 theo c\u1eb7p s\u1ed1<\/strong><\/span><\/h4>\nD\u00e0n theo c\u1eb7p 0,1: 00,11,01,10. D\u00e0n theo c\u1eb7p 6,9: 66,99,69,96.<\/p>\n
D\u00e0n \u0111\u1ec1 theo 12 con gi\u00e1p<\/strong><\/span><\/h4>\nT\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1eebng con gi\u00e1p s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t con s\u1ed1 nh\u1ea5t \u0111\u1ecbnh d\u1ef1a v\u00e0o \u0111\u00f3 m\u00ecnh l\u00ean d\u00e0n cho h\u1ee3p l\u00fd.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
T\u00fd: 00, 12, 24,36, 48, 60, 72, 84, 96
\nS\u1eedu: 01, 13, 25, 37, 49, 61, 73, 85, 97
\nD\u1ea7n: 02, 14, 26, 38, 50, 62, 74, 86, 98
\nM\u00e3o: 03, 15, 27, 39, 51, 63, 75, 87, 99
\nTh\u00ecn: 04, 16, 28, 40, 52, 64, 76, 88
\nT\u1ef5: 05, 17, 29, 41, 53, 65, 77, 89
\nNg\u1ecd: 06, 18, 30, 42, 54, 66, 78, 90
\nM\u00f9i: 07, 19, 31, 43, 55, 67, 79, 91
\nTh\u00e2n: 08, 20, 32, 44, 56, 68, 80, 92
\nD\u1eadu: 09, 21, 33, 45, 57, 69, 81, 93
\nTu\u1ea5t: 10, 22, 34, 46, 58, 70, 82, 94
\nH\u01a1i: 11, 23, 35, 47, 59, 71, 83, 95<\/p>\n
<\/p>\n
K\u1ebft lu\u1eadn chung<\/strong><\/h3>\nV\u1edbi nh\u1eefng c\u00e1ch c\u00e1ch l\u00ean d\u00e0n \u0111\u1ed9c \u0111\u00e1o \u0111\u1eb7c bi\u1ec7t nh\u01b0 v\u1eady. Hi v\u1ecdng m\u1ecdi ng\u01b0\u1eddi s\u1ebd l\u00ean \u0111\u01b0\u1ee3c cho m\u00ecnh nh\u1eefng d\u00e0n \u0111\u1ec1 b\u1ea5t b\u1ea1i \u0111\u00e1nh s\u1eadp nh\u00e0 c\u00e1i nh\u00e9! H\u00e3y y\u00ean t\u00e2m v\u1edbi c\u1ea7u m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 chia s\u1ebb, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 xem l\u1ea1i c\u00e1c b\u00e0i tr\u01b0\u1edbc th\u00ec s\u1ebd r\u00f5. To\u00e0n b\u1ed9 soi c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec1u chu\u1ea9n v\u00e0 ch\u00ednh x\u00e1c. Nhi\u1ec1u b\u1ea1n \u0111\u00e3 th\u00e0nh c\u00f4ng r\u1ef1c r\u1ee1 v\u1edbi h\u1ec7 th\u1ed1ng c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i. Ni\u1ec1m Vui c\u1ee7a b\u1ea1n l\u00e0 h\u1ea1nh ph\u00fac c\u1ee7a ch\u00fang t\u00f4i. L\u00e0m g\u00ec ch\u00fang t\u00f4i c\u0169ng \u0111\u1eb7t c\u00e1i t\u00e2m c\u1ee7a m\u00ecnh v\u00e0o \u0111\u00f3. B\u1ea1n h\u00e3y th\u1eed v\u00e0 t\u1eadn h\u01b0\u1edfng chi\u1ebfn th\u1eafng v\u1edbi t\u1eebng con s\u1ed1 ch\u00fang t\u00f4i \u0111\u01b0a ra!<\/p>\n<\/div>\n<\/div>\n<\/article>\n
chuy\u00ean gia ch\u1ed1t s\u1ed1 v\u00edp si\u00eau h\u00f3t<\/strong><\/span><\/h3>\n\n
C\u00f3 l\u1ebd \u0111\u1ec3 l\u00ean 1 d\u00e0n \u0111\u1ec3 ch\u01a1i b\u00ecnh th\u01b0\u1eddng \u0111\u1ed1i v\u1edbi m\u1ecdi ng\u01b0\u1eddi, hay c\u00e1c ae game th\u1ee7 n\u00f3i chung l\u00e0 d\u1ec5 d\u00e0ng nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng l\u00ean v\u00e0 ch\u1ecdn \u0111\u01b0\u1ee3c nh\u1eefng con s\u1ed1 chu\u1ea9n \u0111\u1eb9p.<\/p>\n
C\u00e1c ki\u1ec3u d\u00e0n d\u1ec1 l\u00f4 th\u1ee7 chuy\u00ean nghi\u1ec7p hay ch\u01a1i.<\/strong><\/span><\/h3>\n
<\/p>\n
L\u00e0 m\u1ed9t d\u00e3y s\u1ed1 g\u1ed3m c\u00e1c c\u1eb7p s\u1ed1 m\u00e0 t\u1ed5ng 2 s\u1ed1 c\u1ed9ng l\u1ea1i b\u1eb1ng nhau.<\/span><\/h4>\nV\u00ed d\u1ee5:<\/p>\n
D\u00e0n t\u1ed5ng b\u1eb1ng 0: 00,19,28,37,46,55,64,73,82,91
\nD\u00e0n t\u1ed5ng b\u1eb1ng 1: 01,10,29,38,47,56,65,74,83,92
\nD\u00e0n t\u1ed5ng b\u1eb1ng 2: 02,11,20,39,48,57,66,75,84,93
\nD\u00e0n t\u1ed5ng b\u1eb1ng 3: 03,12,21,30,49,58,67,76,85,94
\nD\u00e0n t\u1ed5ng b\u1eb1ng 4: 04,13,22,31,40,59,68,77,86,95
\nD\u00e0n t\u1ed5ng b\u1eb1ng 5: 05,14,23,32,41,50,69,78,87,96
\nD\u00e0n t\u1ed5ng b\u1eb1ng 6: 06,15,24,33,42,51,60,79,88,97
\nD\u00e0n t\u1ed5ng b\u1eb1ng 7: 07,16,25,34,43,52,61,70,89,98
\nD\u00e0n t\u1ed5ng b\u1eb1ng 8: 08,17,26,35,44,53,62,71,80,99
\nD\u00e0n t\u1ed5ng b\u1eb1ng 9: 09,18,27,36,45,54,63,72,81,90<\/p>\n
D\u00e0n \u0111\u1ec1 theo \u0111\u1ea7u (\u0110\u1ec1 ch\u1ea1m)<\/strong><\/span><\/h4>\nL\u00e0 khi ch\u00fang ta t\u1ea1o d\u00e0n ch\u1ecdn ng\u1eabu nhi\u00ean 1 s\u1ed1 l\u00e0m \u0111\u1ea7u.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
D\u00e0n \u0111\u1ea7u 0: 00,01,02,03,04,05,06,07,08,09
\nD\u00e0n \u0111\u1ea7u 1: 10,11,12,13,14,15,16,17,18,19
\nD\u00e0n \u0111\u1ea7u 2: 20,21,22,23,24,25,26,27,28,29
\nD\u00e0n \u0111\u1ea7u 3: 30,31,32,33,34,35,36,37,38,39
\nD\u00e0n \u0111\u1ea7u 4: 40,41,42,43,44,45,46,47,48,49
\nD\u00e0n \u0111\u1ea7u 5: 50,51,52,53,54,55,56,57,58,59
\nD\u00e0n \u0111\u1ea7u 6: 60,61,62,63,64,65,66,67,68,69
\nD\u00e0n \u0111\u1ea7u 7: 70,71,72,73,74,75,76,77,78,79
\nD\u00e0n \u0111\u1ea7u 8: 80,81,82,83,84,85,86,87,88,89
\nD\u00e0n \u0111\u1ea7u 9: 90,91,92,93,94,95,96,97,98,99<\/p>\n
D\u00e0n \u0111\u1ec1 theo \u0111u\u00f4i<\/strong><\/span><\/h4>\nL\u00e0 khi ch\u00fang ta t\u1ea1o d\u00e0n ch\u1ecdn ng\u1eabu nhi\u00ean 1 s\u1ed1 l\u00e0m \u0111u\u00f4i.<\/p>\n
<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
D\u00e0n \u0110u\u00f4i 0: 00,10,20,30,40,50,60,70,80,90
\nD\u00e0n \u0110u\u00f4i 1: 01,11,21,31,41,51,61,71,81,91
\nD\u00e0n \u0110u\u00f4i 2: 02,12,22,32,42,52,62,72,82,92
\nD\u00e0n \u0110u\u00f4i 3: 03,13,23,33,43,53,63,73,83,93
\nD\u00e0n \u0110u\u00f4i 4: 04,14,24,34,44,54,64,74,84,94
\nD\u00e0n \u0110u\u00f4i 5: 05,15,25,35,45,55,65,75,85,95
\nD\u00e0n \u0110u\u00f4i 6: 06,16,26,36,46,56,66,76,86,96
\nD\u00e0n \u0110u\u00f4i 7: 07,17,27,37,47,57,67,77,87,97
\nD\u00e0n \u0110u\u00f4i 8: 08,18,28,38,48,58,68,78,88,98
\nD\u00e0n \u0110u\u00f4i 9: 09,19,29,39,49,59,69,79,89,99<\/p>\n
D\u00e0n \u0111\u1ec1 theo c\u1eb7p s\u1ed1<\/strong><\/span><\/h4>\nD\u00e0n theo c\u1eb7p 0,1: 00,11,01,10. D\u00e0n theo c\u1eb7p 6,9: 66,99,69,96.<\/p>\n
D\u00e0n \u0111\u1ec1 theo 12 con gi\u00e1p<\/strong><\/span><\/h4>\nT\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1eebng con gi\u00e1p s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t con s\u1ed1 nh\u1ea5t \u0111\u1ecbnh d\u1ef1a v\u00e0o \u0111\u00f3 m\u00ecnh l\u00ean d\u00e0n cho h\u1ee3p l\u00fd.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
T\u00fd: 00, 12, 24,36, 48, 60, 72, 84, 96
\nS\u1eedu: 01, 13, 25, 37, 49, 61, 73, 85, 97
\nD\u1ea7n: 02, 14, 26, 38, 50, 62, 74, 86, 98
\nM\u00e3o: 03, 15, 27, 39, 51, 63, 75, 87, 99
\nTh\u00ecn: 04, 16, 28, 40, 52, 64, 76, 88
\nT\u1ef5: 05, 17, 29, 41, 53, 65, 77, 89
\nNg\u1ecd: 06, 18, 30, 42, 54, 66, 78, 90
\nM\u00f9i: 07, 19, 31, 43, 55, 67, 79, 91
\nTh\u00e2n: 08, 20, 32, 44, 56, 68, 80, 92
\nD\u1eadu: 09, 21, 33, 45, 57, 69, 81, 93
\nTu\u1ea5t: 10, 22, 34, 46, 58, 70, 82, 94
\nH\u01a1i: 11, 23, 35, 47, 59, 71, 83, 95<\/p>\n
<\/p>\n
K\u1ebft lu\u1eadn chung<\/strong><\/h3>\nV\u1edbi nh\u1eefng c\u00e1ch c\u00e1ch l\u00ean d\u00e0n \u0111\u1ed9c \u0111\u00e1o \u0111\u1eb7c bi\u1ec7t nh\u01b0 v\u1eady. Hi v\u1ecdng m\u1ecdi ng\u01b0\u1eddi s\u1ebd l\u00ean \u0111\u01b0\u1ee3c cho m\u00ecnh nh\u1eefng d\u00e0n \u0111\u1ec1 b\u1ea5t b\u1ea1i \u0111\u00e1nh s\u1eadp nh\u00e0 c\u00e1i nh\u00e9! H\u00e3y y\u00ean t\u00e2m v\u1edbi c\u1ea7u m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 chia s\u1ebb, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 xem l\u1ea1i c\u00e1c b\u00e0i tr\u01b0\u1edbc th\u00ec s\u1ebd r\u00f5. To\u00e0n b\u1ed9 soi c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec1u chu\u1ea9n v\u00e0 ch\u00ednh x\u00e1c. Nhi\u1ec1u b\u1ea1n \u0111\u00e3 th\u00e0nh c\u00f4ng r\u1ef1c r\u1ee1 v\u1edbi h\u1ec7 th\u1ed1ng c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i. Ni\u1ec1m Vui c\u1ee7a b\u1ea1n l\u00e0 h\u1ea1nh ph\u00fac c\u1ee7a ch\u00fang t\u00f4i. L\u00e0m g\u00ec ch\u00fang t\u00f4i c\u0169ng \u0111\u1eb7t c\u00e1i t\u00e2m c\u1ee7a m\u00ecnh v\u00e0o \u0111\u00f3. B\u1ea1n h\u00e3y th\u1eed v\u00e0 t\u1eadn h\u01b0\u1edfng chi\u1ebfn th\u1eafng v\u1edbi t\u1eebng con s\u1ed1 ch\u00fang t\u00f4i \u0111\u01b0a ra!<\/p>\n<\/div>\n<\/div>\n<\/article>\n
chuy\u00ean gia ch\u1ed1t s\u1ed1 v\u00edp si\u00eau h\u00f3t<\/strong><\/span><\/h3>\n\n

V\u00ed d\u1ee5:<\/p>\n
D\u00e0n t\u1ed5ng b\u1eb1ng 0: 00,19,28,37,46,55,64,73,82,91
\nD\u00e0n t\u1ed5ng b\u1eb1ng 1: 01,10,29,38,47,56,65,74,83,92
\nD\u00e0n t\u1ed5ng b\u1eb1ng 2: 02,11,20,39,48,57,66,75,84,93
\nD\u00e0n t\u1ed5ng b\u1eb1ng 3: 03,12,21,30,49,58,67,76,85,94
\nD\u00e0n t\u1ed5ng b\u1eb1ng 4: 04,13,22,31,40,59,68,77,86,95
\nD\u00e0n t\u1ed5ng b\u1eb1ng 5: 05,14,23,32,41,50,69,78,87,96
\nD\u00e0n t\u1ed5ng b\u1eb1ng 6: 06,15,24,33,42,51,60,79,88,97
\nD\u00e0n t\u1ed5ng b\u1eb1ng 7: 07,16,25,34,43,52,61,70,89,98
\nD\u00e0n t\u1ed5ng b\u1eb1ng 8: 08,17,26,35,44,53,62,71,80,99
\nD\u00e0n t\u1ed5ng b\u1eb1ng 9: 09,18,27,36,45,54,63,72,81,90<\/p>\n
D\u00e0n \u0111\u1ec1 theo \u0111\u1ea7u (\u0110\u1ec1 ch\u1ea1m)<\/strong><\/span><\/h4>\nL\u00e0 khi ch\u00fang ta t\u1ea1o d\u00e0n ch\u1ecdn ng\u1eabu nhi\u00ean 1 s\u1ed1 l\u00e0m \u0111\u1ea7u.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
D\u00e0n \u0111\u1ea7u 0: 00,01,02,03,04,05,06,07,08,09
\nD\u00e0n \u0111\u1ea7u 1: 10,11,12,13,14,15,16,17,18,19
\nD\u00e0n \u0111\u1ea7u 2: 20,21,22,23,24,25,26,27,28,29
\nD\u00e0n \u0111\u1ea7u 3: 30,31,32,33,34,35,36,37,38,39
\nD\u00e0n \u0111\u1ea7u 4: 40,41,42,43,44,45,46,47,48,49
\nD\u00e0n \u0111\u1ea7u 5: 50,51,52,53,54,55,56,57,58,59
\nD\u00e0n \u0111\u1ea7u 6: 60,61,62,63,64,65,66,67,68,69
\nD\u00e0n \u0111\u1ea7u 7: 70,71,72,73,74,75,76,77,78,79
\nD\u00e0n \u0111\u1ea7u 8: 80,81,82,83,84,85,86,87,88,89
\nD\u00e0n \u0111\u1ea7u 9: 90,91,92,93,94,95,96,97,98,99<\/p>\n
D\u00e0n \u0111\u1ec1 theo \u0111u\u00f4i<\/strong><\/span><\/h4>\nL\u00e0 khi ch\u00fang ta t\u1ea1o d\u00e0n ch\u1ecdn ng\u1eabu nhi\u00ean 1 s\u1ed1 l\u00e0m \u0111u\u00f4i.<\/p>\n
<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
D\u00e0n \u0110u\u00f4i 0: 00,10,20,30,40,50,60,70,80,90
\nD\u00e0n \u0110u\u00f4i 1: 01,11,21,31,41,51,61,71,81,91
\nD\u00e0n \u0110u\u00f4i 2: 02,12,22,32,42,52,62,72,82,92
\nD\u00e0n \u0110u\u00f4i 3: 03,13,23,33,43,53,63,73,83,93
\nD\u00e0n \u0110u\u00f4i 4: 04,14,24,34,44,54,64,74,84,94
\nD\u00e0n \u0110u\u00f4i 5: 05,15,25,35,45,55,65,75,85,95
\nD\u00e0n \u0110u\u00f4i 6: 06,16,26,36,46,56,66,76,86,96
\nD\u00e0n \u0110u\u00f4i 7: 07,17,27,37,47,57,67,77,87,97
\nD\u00e0n \u0110u\u00f4i 8: 08,18,28,38,48,58,68,78,88,98
\nD\u00e0n \u0110u\u00f4i 9: 09,19,29,39,49,59,69,79,89,99<\/p>\n
D\u00e0n \u0111\u1ec1 theo c\u1eb7p s\u1ed1<\/strong><\/span><\/h4>\nD\u00e0n theo c\u1eb7p 0,1: 00,11,01,10. D\u00e0n theo c\u1eb7p 6,9: 66,99,69,96.<\/p>\n
D\u00e0n \u0111\u1ec1 theo 12 con gi\u00e1p<\/strong><\/span><\/h4>\nT\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1eebng con gi\u00e1p s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t con s\u1ed1 nh\u1ea5t \u0111\u1ecbnh d\u1ef1a v\u00e0o \u0111\u00f3 m\u00ecnh l\u00ean d\u00e0n cho h\u1ee3p l\u00fd.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
T\u00fd: 00, 12, 24,36, 48, 60, 72, 84, 96
\nS\u1eedu: 01, 13, 25, 37, 49, 61, 73, 85, 97
\nD\u1ea7n: 02, 14, 26, 38, 50, 62, 74, 86, 98
\nM\u00e3o: 03, 15, 27, 39, 51, 63, 75, 87, 99
\nTh\u00ecn: 04, 16, 28, 40, 52, 64, 76, 88
\nT\u1ef5: 05, 17, 29, 41, 53, 65, 77, 89
\nNg\u1ecd: 06, 18, 30, 42, 54, 66, 78, 90
\nM\u00f9i: 07, 19, 31, 43, 55, 67, 79, 91
\nTh\u00e2n: 08, 20, 32, 44, 56, 68, 80, 92
\nD\u1eadu: 09, 21, 33, 45, 57, 69, 81, 93
\nTu\u1ea5t: 10, 22, 34, 46, 58, 70, 82, 94
\nH\u01a1i: 11, 23, 35, 47, 59, 71, 83, 95<\/p>\n
<\/p>\n
K\u1ebft lu\u1eadn chung<\/strong><\/h3>\nV\u1edbi nh\u1eefng c\u00e1ch c\u00e1ch l\u00ean d\u00e0n \u0111\u1ed9c \u0111\u00e1o \u0111\u1eb7c bi\u1ec7t nh\u01b0 v\u1eady. Hi v\u1ecdng m\u1ecdi ng\u01b0\u1eddi s\u1ebd l\u00ean \u0111\u01b0\u1ee3c cho m\u00ecnh nh\u1eefng d\u00e0n \u0111\u1ec1 b\u1ea5t b\u1ea1i \u0111\u00e1nh s\u1eadp nh\u00e0 c\u00e1i nh\u00e9! H\u00e3y y\u00ean t\u00e2m v\u1edbi c\u1ea7u m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 chia s\u1ebb, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 xem l\u1ea1i c\u00e1c b\u00e0i tr\u01b0\u1edbc th\u00ec s\u1ebd r\u00f5. To\u00e0n b\u1ed9 soi c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec1u chu\u1ea9n v\u00e0 ch\u00ednh x\u00e1c. Nhi\u1ec1u b\u1ea1n \u0111\u00e3 th\u00e0nh c\u00f4ng r\u1ef1c r\u1ee1 v\u1edbi h\u1ec7 th\u1ed1ng c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i. Ni\u1ec1m Vui c\u1ee7a b\u1ea1n l\u00e0 h\u1ea1nh ph\u00fac c\u1ee7a ch\u00fang t\u00f4i. L\u00e0m g\u00ec ch\u00fang t\u00f4i c\u0169ng \u0111\u1eb7t c\u00e1i t\u00e2m c\u1ee7a m\u00ecnh v\u00e0o \u0111\u00f3. B\u1ea1n h\u00e3y th\u1eed v\u00e0 t\u1eadn h\u01b0\u1edfng chi\u1ebfn th\u1eafng v\u1edbi t\u1eebng con s\u1ed1 ch\u00fang t\u00f4i \u0111\u01b0a ra!<\/p>\n<\/div>\n<\/div>\n<\/article>\n
chuy\u00ean gia ch\u1ed1t s\u1ed1 v\u00edp si\u00eau h\u00f3t<\/strong><\/span><\/h3>\n\n
\nD\u00e0n \u0111\u1ea7u 1: 10,11,12,13,14,15,16,17,18,19
\nD\u00e0n \u0111\u1ea7u 2: 20,21,22,23,24,25,26,27,28,29
\nD\u00e0n \u0111\u1ea7u 3: 30,31,32,33,34,35,36,37,38,39
\nD\u00e0n \u0111\u1ea7u 4: 40,41,42,43,44,45,46,47,48,49
\nD\u00e0n \u0111\u1ea7u 5: 50,51,52,53,54,55,56,57,58,59
\nD\u00e0n \u0111\u1ea7u 6: 60,61,62,63,64,65,66,67,68,69
\nD\u00e0n \u0111\u1ea7u 7: 70,71,72,73,74,75,76,77,78,79
\nD\u00e0n \u0111\u1ea7u 8: 80,81,82,83,84,85,86,87,88,89
\nD\u00e0n \u0111\u1ea7u 9: 90,91,92,93,94,95,96,97,98,99<\/p>\n
L\u00e0 khi ch\u00fang ta t\u1ea1o d\u00e0n ch\u1ecdn ng\u1eabu nhi\u00ean 1 s\u1ed1 l\u00e0m \u0111u\u00f4i.<\/p>\n
<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
D\u00e0n \u0110u\u00f4i 0: 00,10,20,30,40,50,60,70,80,90
\nD\u00e0n \u0110u\u00f4i 1: 01,11,21,31,41,51,61,71,81,91
\nD\u00e0n \u0110u\u00f4i 2: 02,12,22,32,42,52,62,72,82,92
\nD\u00e0n \u0110u\u00f4i 3: 03,13,23,33,43,53,63,73,83,93
\nD\u00e0n \u0110u\u00f4i 4: 04,14,24,34,44,54,64,74,84,94
\nD\u00e0n \u0110u\u00f4i 5: 05,15,25,35,45,55,65,75,85,95
\nD\u00e0n \u0110u\u00f4i 6: 06,16,26,36,46,56,66,76,86,96
\nD\u00e0n \u0110u\u00f4i 7: 07,17,27,37,47,57,67,77,87,97
\nD\u00e0n \u0110u\u00f4i 8: 08,18,28,38,48,58,68,78,88,98
\nD\u00e0n \u0110u\u00f4i 9: 09,19,29,39,49,59,69,79,89,99<\/p>\n
D\u00e0n \u0111\u1ec1 theo c\u1eb7p s\u1ed1<\/strong><\/span><\/h4>\nD\u00e0n theo c\u1eb7p 0,1: 00,11,01,10. D\u00e0n theo c\u1eb7p 6,9: 66,99,69,96.<\/p>\n
D\u00e0n \u0111\u1ec1 theo 12 con gi\u00e1p<\/strong><\/span><\/h4>\nT\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1eebng con gi\u00e1p s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t con s\u1ed1 nh\u1ea5t \u0111\u1ecbnh d\u1ef1a v\u00e0o \u0111\u00f3 m\u00ecnh l\u00ean d\u00e0n cho h\u1ee3p l\u00fd.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
T\u00fd: 00, 12, 24,36, 48, 60, 72, 84, 96
\nS\u1eedu: 01, 13, 25, 37, 49, 61, 73, 85, 97
\nD\u1ea7n: 02, 14, 26, 38, 50, 62, 74, 86, 98
\nM\u00e3o: 03, 15, 27, 39, 51, 63, 75, 87, 99
\nTh\u00ecn: 04, 16, 28, 40, 52, 64, 76, 88
\nT\u1ef5: 05, 17, 29, 41, 53, 65, 77, 89
\nNg\u1ecd: 06, 18, 30, 42, 54, 66, 78, 90
\nM\u00f9i: 07, 19, 31, 43, 55, 67, 79, 91
\nTh\u00e2n: 08, 20, 32, 44, 56, 68, 80, 92
\nD\u1eadu: 09, 21, 33, 45, 57, 69, 81, 93
\nTu\u1ea5t: 10, 22, 34, 46, 58, 70, 82, 94
\nH\u01a1i: 11, 23, 35, 47, 59, 71, 83, 95<\/p>\n
<\/p>\n
K\u1ebft lu\u1eadn chung<\/strong><\/h3>\nV\u1edbi nh\u1eefng c\u00e1ch c\u00e1ch l\u00ean d\u00e0n \u0111\u1ed9c \u0111\u00e1o \u0111\u1eb7c bi\u1ec7t nh\u01b0 v\u1eady. Hi v\u1ecdng m\u1ecdi ng\u01b0\u1eddi s\u1ebd l\u00ean \u0111\u01b0\u1ee3c cho m\u00ecnh nh\u1eefng d\u00e0n \u0111\u1ec1 b\u1ea5t b\u1ea1i \u0111\u00e1nh s\u1eadp nh\u00e0 c\u00e1i nh\u00e9! H\u00e3y y\u00ean t\u00e2m v\u1edbi c\u1ea7u m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 chia s\u1ebb, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 xem l\u1ea1i c\u00e1c b\u00e0i tr\u01b0\u1edbc th\u00ec s\u1ebd r\u00f5. To\u00e0n b\u1ed9 soi c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec1u chu\u1ea9n v\u00e0 ch\u00ednh x\u00e1c. Nhi\u1ec1u b\u1ea1n \u0111\u00e3 th\u00e0nh c\u00f4ng r\u1ef1c r\u1ee1 v\u1edbi h\u1ec7 th\u1ed1ng c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i. Ni\u1ec1m Vui c\u1ee7a b\u1ea1n l\u00e0 h\u1ea1nh ph\u00fac c\u1ee7a ch\u00fang t\u00f4i. L\u00e0m g\u00ec ch\u00fang t\u00f4i c\u0169ng \u0111\u1eb7t c\u00e1i t\u00e2m c\u1ee7a m\u00ecnh v\u00e0o \u0111\u00f3. B\u1ea1n h\u00e3y th\u1eed v\u00e0 t\u1eadn h\u01b0\u1edfng chi\u1ebfn th\u1eafng v\u1edbi t\u1eebng con s\u1ed1 ch\u00fang t\u00f4i \u0111\u01b0a ra!<\/p>\n<\/div>\n<\/div>\n<\/article>\n
chuy\u00ean gia ch\u1ed1t s\u1ed1 v\u00edp si\u00eau h\u00f3t<\/strong><\/span><\/h3>\n\n
T\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1eebng con gi\u00e1p s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t con s\u1ed1 nh\u1ea5t \u0111\u1ecbnh d\u1ef1a v\u00e0o \u0111\u00f3 m\u00ecnh l\u00ean d\u00e0n cho h\u1ee3p l\u00fd.<\/p>\n
V\u00ed d\u1ee5:<\/p>\n
T\u00fd: 00, 12, 24,36, 48, 60, 72, 84, 96
\nS\u1eedu: 01, 13, 25, 37, 49, 61, 73, 85, 97
\nD\u1ea7n: 02, 14, 26, 38, 50, 62, 74, 86, 98
\nM\u00e3o: 03, 15, 27, 39, 51, 63, 75, 87, 99
\nTh\u00ecn: 04, 16, 28, 40, 52, 64, 76, 88
\nT\u1ef5: 05, 17, 29, 41, 53, 65, 77, 89
\nNg\u1ecd: 06, 18, 30, 42, 54, 66, 78, 90
\nM\u00f9i: 07, 19, 31, 43, 55, 67, 79, 91
\nTh\u00e2n: 08, 20, 32, 44, 56, 68, 80, 92
\nD\u1eadu: 09, 21, 33, 45, 57, 69, 81, 93
\nTu\u1ea5t: 10, 22, 34, 46, 58, 70, 82, 94
\nH\u01a1i: 11, 23, 35, 47, 59, 71, 83, 95<\/p>\n
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