Ch\u01a1i d\u00e0n \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 h\u00e0ng ng\u00e0y gi\u00fap cho ng\u01b0\u1eddi ch\u01a1i \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u01b0\u1ee3c nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i d\u00e0n b\u1eaft \u0111\u01b0\u1ee3c nh\u1eefng con s\u1ed1 ch\u00ednh x\u00e1c.<\/span><\/span><\/span><\/p>\n D\u00e0n \u0111\u1eb7c bi\u1ec7t l\u00e0 g\u00ec? C\u00f3 nh\u1eefng lo\u1ea1i d\u00e0n \u0111\u1eb7c bi\u1ec7t n\u00e0o v\u00e0 c\u00e1ch \u0111\u00e1nh d\u00e0n \u0111\u1eb7c bi\u1ec7t l\u00e0m sao cho hi\u1ec7u qu\u1ea3? nh\u1eefng th\u1eafc m\u1eafc \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i<\/span><\/span><\/span> ph\u00e2n t\u00edch ch\u00ednh x\u00e1c v\u00e0 r\u00f5 r\u00e0ng nh\u1ea5t sau \u0111\u00e2y \u0111\u1ec3 cho ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 n\u1eafm v\u1eefng \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 ki\u1ebfn th\u1ee9c khi ch\u01a1i d\u00e0n l\u00f4 \u0111\u1eb7c bi\u1ec7t th\u1eadt hi\u1ec7u qu\u1ea3.<\/span><\/span><\/span><\/p>\n Ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u01b0 sau, d\u00e0n \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p g\u1ed3m nhi\u1ec1u c\u00e1c c\u1eb7p s\u1ed1 kh\u00e1c nhau, v\u00e0 trong \u0111\u00f3 c\u00f3 \u00edt nh\u1ea5t l\u00e0 c\u00f3 10 c\u1eb7p s\u1ed1 tr\u1edf l\u00ean th\u00ec \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 d\u00e0n, n\u1ebfu \u00edt h\u01a1n th\u00ec kh\u00f4ng ph\u1ea3i.<\/span><\/span><\/span><\/p>\n <\/span><\/span><\/span><\/p>\n D\u00e0n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t l\u00e0 g\u00ec?<\/span><\/span><\/span><\/em><\/p>\n Trong l\u00f4 \u0111\u1ec1 ng\u01b0\u1eddi ta chia ra l\u00e0m 2 d\u00e0n: D\u00e0n \u0111\u1ec1 v\u00e0 d\u00e0n l\u00f4. Nh\u01b0ng c\u00e1c c\u1eb7p s\u1ed1 \u0111\u00f3 ho\u00e0n to\u00e0n kh\u00f4ng ph\u1ea3i l\u00e0 ng\u1eabu nhi\u00ean c\u00f3 m\u00e0 t\u1ef1 t\u1eadp h\u1ee3p c\u1ee7a nh\u1eefng b\u1ed9 s\u1ed1 \u0111\u01b0\u1ee3c tu\u00e2n theo m\u1ed9t quy \u0111\u1ecbnh nh\u1ea5t \u0111\u1ecbnh n\u00e0o \u0111\u00f3, v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng v\u1ec1 s\u1ed1 cao.<\/span><\/span><\/span><\/p>\n Khi ch\u01a1i d\u00e0n \u0111\u1eb7c bi\u1ec7t c\u00e1c b\u1ea1n h\u00e3y ch\u01a1i theo d\u00e0n ng\u00e0y ho\u1eb7c tu\u1ea7n \u0111\u1ec1u \u0111\u01b0\u1ee3c, t\u00f9y theo s\u1ef1 l\u1ef1a ch\u1ecdn c\u1ee7a nh\u1eefng ng\u01b0\u1eddi ch\u01a1i \u0111\u1ec3 cho hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/span><\/span><\/span><\/p>\n Khi ch\u01a1i d\u00e0n \u0111\u1eb7c bi\u1ec7t ng\u01b0\u1eddi ch\u01a1i s\u1ebd c\u00f3 t\u1ef7 l\u1ec7 tr\u00fang cao h\u01a1n so v\u1edbi c\u00e1ch ch\u01a1i kh\u00e1c. Th\u00f4ng th\u01b0\u1eddng b\u1ea1n ch\u01a1i b\u1ea1ch th\u1ee7 l\u00f4 hay l\u00e0 song th\u1ee7 l\u00f4 th\u00ec c\u00e1ch n\u00e0y ch\u1ec9 c\u00f3 1 ho\u1eb7c 2 con \u0111\u1ec3 b\u1ea1n ch\u01a1i, v\u00e0 t\u1ef7 l\u1ec7 thua th\u01b0\u1eddng r\u1ea5t cao. Nh\u01b0ng \u0111\u1ebfn khi ch\u01a1i d\u00e0n \u0111\u1eb7c bi\u1ec7t th\u00ec ng\u01b0\u1eddi ch\u01a1i s\u1ebd t\u1eadp h\u1ee3p \u0111\u01b0\u1ee3c nhi\u1ec1u con s\u1ed1 kh\u00e1c nhau, trong \u0111\u00f3 c\u00f3 ch\u1ee9a nh\u1eefng c\u1eb7p s\u1ed1 \u0111\u1eb9p m\u00e0 b\u1ea1n ch\u1ecdn n\u00ean t\u1ec9 l\u1ec7 trung lu\u00f4n cao h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi nhi\u1ec1u c\u00e1ch ch\u01a1i kh\u00e1c.<\/span><\/span><\/span><\/p>\n \u0110\u1eb7c bi\u1ec7t khi ch\u01a1i d\u00e0n \u0111\u1eb7c bi\u1ec7t ng\u01b0\u1eddi ch\u01a1i c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 ti\u1ec1n nu\u00f4i d\u00e0n m\u00e0 c\u00f3 t\u1ef7 l\u1ec7 v\u00e0o ti\u1ec1n ph\u00f9 h\u1ee3p s\u1ebd gi\u00fap ng\u01b0\u1eddi ch\u01a1i l\u1ea5y l\u1ea1i v\u1ed1n cao, \u0111\u1eb7c bi\u1ec7t khi c\u00f3 k\u1ebf ho\u1ea1ch ti\u1ec1n chu\u1ea9n mang l\u1ea1i cho ng\u01b0\u1eddi ch\u01a1i c\u00f3 \u0111\u1ed9 an to\u00e0n cao, v\u00e0 tr\u00e1nh \u0111\u01b0\u1ee3c r\u1ee7i ro l\u00f4 n\u1eb7ng khi ch\u01a1i tr\u00f2 \u0111\u1ecf \u0111en n\u00e0y.<\/span><\/span><\/span><\/p>\n V\u1ec1 v\u1ed1n an to\u00e0n nh\u01b0ng khi tr\u00fang th\u00ec m\u1ee9c l\u00e3i \u00edt h\u01a1n so v\u1edbi nh\u1eefng c\u00e1ch ch\u01a1i kh\u00e1ch nh\u01b0 b\u1ea1ch th\u1ee7 l\u00f4 v\u00e0 song th\u1ee7. Ch\u00ednh v\u00ec v\u1eady m\u00e0 ng\u01b0\u1eddi ch\u01a1i n\u00ean \u0111i\u1ec1u ch\u1ec9nh v\u1ed1n c\u1ee7a m\u00ecnh v\u1edbi nhi\u1ec1u c\u1eb7p s\u1ed1 h\u01a1n \u0111\u1ec3 mang l\u1ea1i \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn cao khi ch\u01a1i d\u00e0n \u0111\u1eb7c bi\u1ec7t.<\/span><\/span><\/span><\/p>\n B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1ch n\u00e0y c\u00f2n khi\u1ebfn ng\u01b0\u1eddi ch\u01a1i c\u1ea7n ph\u1ea3i ki\u00ean tr\u00ec, t\u00ednh nh\u1eabn l\u1ea1i, v\u00e0 \u0111\u1eb7c bi\u1ec7t ch\u1ecbu kh\u00f3 t\u00ecm t\u00f2i nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p gi\u00fap ng\u01b0\u1eddi ch\u01a1i t\u00ednh to\u00e1n ch\u1ed1t s\u1ed1 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c h\u01a1n.<\/span><\/span><\/span><\/p>\n Khi ch\u01a1i d\u00e0n \u0111\u1ec1 n\u1ebfu mu\u1ed1n tr\u00fang nhi\u1ec1u th\u00ec ng\u01b0\u1eddi ch\u01a1i c\u0169ng c\u1ea7n ph\u1ea3i chu\u1ea9n b\u1ecb s\u1ed1 v\u1ed1n nhi\u1ec1u, \u0111\u1ec3 khi c\u01b0\u1ee3c nhi\u1ec1u s\u1ebd gi\u00fap ng\u01b0\u1eddi ch\u01a1i th\u1eafng \u0111\u00e2m<\/span><\/span><\/span><\/p>\n <\/strong><\/span><\/span><\/span><\/p>\n T\u1ed5ng h\u1ee3p c\u00e1c lo\u1ea1i \u0111\u1ec1 d\u00e0n \u0111\u1eb7c bi\u1ec7t<\/span><\/span><\/span><\/em><\/p>\n D\u00e0n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t theo \u0111\u1ea7u:<\/em> Ng\u01b0\u1eddi ch\u01a1i s\u1ebd ch\u1ecdn l\u1ea7n l\u01b0\u1ee3t t\u1edbi c\u00e1c con s\u1ed1 t\u1eeb 0 \u0111\u1ebfn 9 \u0111\u1ec3 l\u00e0m \u0111\u1ea7u.<\/span><\/span><\/span><\/p>\n<\/li>\n<\/ul>\n V\u00ed d\u1ee5 minh h\u1ecda: \u0110\u1ea7u 0 th\u00ec n\u00ean gh\u00e9p 0 v\u1edbi c\u00e1c s\u1ed1 t\u1eeb 0 \u0111\u1ebfn 9 v\u00e0 t\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u00e1c con s\u1ed1 kh\u00e1c c\u0169ng nh\u01b0 v\u1eady. Th\u00ec t\u1eeb \u0111\u00f3 ng\u01b0\u1eddi ch\u01a1i s\u1ebd t\u00ecm ki\u1ebfm cho m\u00ecnh m\u1ed9t con l\u00f4 th\u00edch h\u1ee3p nh\u1ea5t.<\/span><\/span><\/span><\/p>\n D\u00e0n l\u00f4 \u0111\u1ec1 theo t\u1ed5ng: \u0110\u00e2y l\u00e0 d\u00e0n l\u00f4 \u0111\u1ec1 bao g\u1ed3m c\u00e1c c\u1eb7p s\u1ed1 m\u00e0 ph\u1ea3i c\u00f4ng th\u00eam 2 ch\u1eef s\u1ed1 trong c\u1eb7p s\u1ed1 c\u00f3 t\u1ed5ng b\u1eb1ng nhau<\/span><\/span><\/span><\/p>\n<\/li>\n<\/ul>\n V\u00ed d\u1ee5 minh h\u1ecda: \u0110\u1ed1i v\u1edbi d\u00e0n t\u1ed5ng b\u1eb1ng 0 bao g\u1ed3m : 00,19,91, 28,82, 37,73, 46, 64, 55\u2026 \u0110\u00e2y \u0111\u01b0\u1ee3c c\u1ed9ng v\u00e0o s\u1ebd t\u1ed5ng b\u1eb1ng 0, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m t\u01b0\u01a1ng t\u1ef1 \u0111\u1ed1i v\u1edbi c\u00e1c con s\u1ed1 ti\u1ebfp theo c\u00f3 t\u1ed5ng l\u00e0 1, 2, 3, 4, 5, 6,7, 8, 9 sao cho ph\u00f9 h\u1ee3p<\/span><\/span><\/span><\/p>\n D\u00e0n l\u00f4 \u0111\u1ec1 theo \u0111u\u00f4i:<\/em> C\u00e1ch n\u00e0y d\u00e0n s\u1ebd \u0111\u01b0\u1ee3c gh\u00e9p ng\u01b0\u1ee3c l\u1ea1i so v\u1edbi d\u00e0n tr\u00ean, v\u00ed d\u1ee5 nh\u1eefng d\u00e0n c\u00f3 \u0111u\u00f4i 1 bao g\u1ed3m: 11, 21, 31,41,51,61,71,81,91<\/span><\/span><\/span><\/p>\n<\/li>\n D\u00e0n l\u00f4 theo b\u1ed9 s\u1ed1:<\/em> \u0110\u1ed1i v\u1edbi d\u00e0n n\u00e0y th\u00ec theo lu\u00f4n b\u1ed9 s\u1ed1 nh\u01b0 : 00,55, 05,50 ho\u1eb7c b\u1ed9 s\u1ed1 22 bao g\u1ed3m: 22, 77, 27,72<\/span><\/span><\/span><\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n <\/main><\/div>\n <\/p>\n<\/div>\n <\/p>\n<\/div>\n LOTO C\u1ea6U SI\u00caU CHU\u1ea8N B\u1ea0CH TH\u1ee6 L\u00d4 MB<\/span><\/strong><\/a> LOTO C\u1ea6U SI\u00caU CHU\u1ea8N D\u00c0N L\u00d4 6 S\u1ed0 MB<\/span><\/strong><\/a> LOTO C\u1ea6U SI\u00caU CHU\u1ea8N X\u1ec9u Ch\u1ee7 MN<\/span><\/strong><\/a> LOTO C\u1ea6U SI\u00caU CHU\u1ea8N X\u1ec9u Ch\u1ee7 MT<\/span><\/strong><\/a>1. D\u00e0n \u0111\u1eb7c bi\u1ec7t l\u00e0 g\u00ec?<\/strong><\/span><\/span><\/span><\/h2>\n
2. Nh\u1eefng \u01b0u \u0111i\u1ec3m khi ch\u01a1i d\u00e0n \u0111\u1eb7c bi\u1ec7t<\/strong><\/span><\/span><\/span><\/h2>\n
3. Nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m khi ch\u01a1i d\u00e0n \u0111\u1eb7c bi\u1ec7t<\/strong><\/span><\/span><\/span><\/h2>\n
4. T\u1ed5ng h\u1ee3p nh\u1eefng lo\u1ea1i d\u00e0n \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m<\/strong><\/span><\/span><\/span><\/h2>\n
\n
\n
\n
<\/span> SOI C\u1ea6U CAO C\u1ea4P<\/span><\/h3>\n
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N B\u1ea0CH TH\u1ee6 L\u00d4 2 NH\u00c1Y MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N SONG TH\u1ee6 L\u00d4 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N B\u1ea0CH TH\u1ee6 L\u00d4 K\u00c9P MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N SONG TH\u1ee6 L\u00d4 K\u00c9P MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N B\u1ea0CH TH\u1ee6 \u0110\u1ec0 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N SONG TH\u1ee6 \u0110\u1ec0 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N D\u00c0N \u0110\u1ec0 4 S\u1ed0 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N D\u00c0N \u0110\u1ec0 6 S\u1ed0 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N D\u00c0N \u0110\u1ec0 8 S\u1ed0 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N D\u00c0N \u0110\u1ec0 10 S\u1ed0 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N D\u00c0N L\u00d4 4 S\u1ed0 MB<\/span><\/strong><\/a><\/p>\n<\/span> SOI C\u1ea6U CAO C\u1ea4P<\/span><\/h3>\n
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N D\u00c0N L\u00d4 8 S\u1ed0 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N D\u00c0N L\u00d4 XI\u00caN 2 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N D\u00c0N L\u00d4 XI\u00caN 3 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N D\u00c0N L\u00d4 XI\u00caN 4 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N 3 C\u00c0NG MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N D\u00c0N 3 C\u00c0NG 2 S\u1ed0 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N D\u00c0N L\u00d4 10 S\u1ed0 MB<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N \u0110\u1ec0 \u0110\u1ea6U \u0110U\u00d4I MB<\/span><\/strong><\/a><\/p>\n<\/span> SOI C\u1ea6U CAO C\u1ea4P<\/span><\/h3>\n
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N GI\u1ea2I \u0110\u1eb6C BI\u1ec6T MN<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N GI\u1ea2I 8 MN<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N BAO L\u00d4 MN<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N C\u1eb7p X\u1ec9u Ch\u1ee7 MN<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N SONG TH\u1ee6 L\u00d4 MN<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N \u0110\u1ea6U \u0110U\u00d4I GI\u1ea2I 8 MN<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N \u0110\u1ea6U \u0110U\u00d4I \u0110\u1eb6C BI\u1ec6T MN<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N L\u00d4 3 S\u1ed0 MN<\/span><\/strong><\/a><\/p>\n<\/span> SOI C\u1ea6U CAO C\u1ea4P<\/span><\/h3>\n
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N GI\u1ea2I \u0110\u1eb6C BI\u1ec6T MT<\/span><\/strong><\/a>
\nLOTO C\u1ea6U TO SI\u00caU CHU\u1ea8N GI\u1ea2I 8 MT<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N BAO L\u00d4 MT<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N C\u1eb7p X\u1ec9u Ch\u1ee7 MT<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N SONG TH\u1ee6 L\u00d4 MT<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N \u0110\u1ea6U \u0110U\u00d4I GI\u1ea2I 8 MT<\/span><\/strong><\/a>
\nLOTO C\u1ea6U SI\u00caU CHU\u1ea8N \u0110\u1ea6U \u0110U\u00d4I \u0110\u1eb6C BI\u1ec6T MT<\/span><\/strong><\/a>
\n
\n
\n
\n