M\u1ed9t th\u00f4ng tin th\u00eam .B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam d\u00e0n x\u1ed5 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/strong> h\u00e0ng ng\u00e0y c\u1ef1c chu\u1ea9n t\u1ec9 l\u1ec7 tr\u00fang\u00a0cao !!!<\/p>\n N\u1ebfu b\u1ea1n ph\u00e2n v\u00e2n gi\u1eefa m\u1ed9t d\u00e0n s\u1ed1 m\u00e0 kh\u00f4ng bi\u1ebft n\u00ean \u0111\u00e1nh con n\u00e0o, th\u00ec ch\u01a1i c\u1ea3 d\u00e0n ch\u00ednh l\u00e0 l\u1ef1a ch\u1ecdn cu\u1ed1i c\u00f9ng. Ch\u01a1i l\u00f4 d\u00e0n l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i an to\u00e0n. Tuy \u0103n \u00edt h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c ch\u1ec9 ch\u01a1i 1 2 con l\u00f4, nh\u01b0ng n\u1ebfu b\u1ea1n mu\u1ed1n b\u1ea3o to\u00e0n s\u1ed1 v\u1ed1n m\u1ed9t c\u00e1ch t\u1ed1i \u01b0u th\u00ec \u0111\u00e2y ch\u00ednh l\u00e0 l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd.<\/p>\n Gi\u1ea3 s\u1eed b\u1ea1n ch\u1ecdn ch\u01a1i l\u00f4 d\u00e0n 4 s\u1ed1<\/span><\/strong> (4 con) \u0111\u00e0i mi\u1ec1n b\u1eafc v\u1edbi s\u1ed1 \u0111i\u1ec3m c\u01b0\u1ee3c l\u00e0 10 \u0111i\u1ec3m, s\u1ed1 v\u1ed1n ph\u1ea3i b\u1ecf ra l\u00e0 4x10x27=1080\u0111, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 1 tri\u1ec7u 80 ng\u00e0n vnd. V\u1edbi t\u1ec9 l\u1ec7 1 \u0103n 99 n\u1ebfu b\u1ea1n \u0103n \u0111\u01b0\u1ee3c 2 nh\u00e1y trong d\u00e0n l\u00f4 \u0111\u00f3, s\u1ed1 ti\u1ec1n \u0103n \u0111\u01b0\u1ee3c s\u1ebd l\u00e0 (2x10x99)-1080(v\u1ed1n) = 900 \u0111i\u1ec3m, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 900 ng\u00e0n vnd. Ch\u1eafc ch\u1eafn l\u00e0 cao h\u01a1n r\u1ea5t nhi\u1ec1u n\u1ebfu ch\u01a1i l\u00f4 qua c\u00f2 \u1edf ngo\u00e0i.<\/p>\n M\u1eb7c d\u00f9 v\u1eady v\u1eabn c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf nh\u1ea5t \u0111\u1ecbnh khi \u00e1p d\u1ee5ng l\u1ed1i ch\u01a1i n\u00e0y. Hi\u1ec3n nhi\u00ean khi ch\u1ecdn \u0111\u00e1nh nhi\u1ec1u con l\u00f4 m\u1ed9t l\u00fac, b\u1ea1n s\u1ebd ph\u1ea3i chu\u1ea9n b\u1ecb m\u1ed9t s\u1ed1 v\u1ed1n kh\u00e1 l\u1edbn. M\u1ed9t trong nh\u1eefng c\u01a1n \u00e1c m\u1ed9ng kinh kh\u1ee7ng nh\u1ea5t \u0111\u1ed1i v\u1edbi d\u00e2n ch\u01a1i l\u00f4 \u0111\u00f3 l\u00e0 c\u1ea3 d\u00e0n l\u00f4 kh\u00f4ng v\u1ec1, hay c\u00f2n g\u1ecdi l\u00e0 d\u00e0n l\u00f4 tr\u01b0\u1ee3t. Th\u1eed t\u01b0\u1edfng t\u01b0\u1ee3ng n\u1ebfu b\u1ea1n ch\u01a1i d\u00e0n l\u00f4 4s mi\u1ec1n b\u1eafc v\u1edbi s\u1ed1 \u0111i\u1ec3m c\u01b0\u1ee3c b\u1ecf ra l\u00e0 10\u0111, nh\u01b0ng c\u1ea3 4 con \u0111\u1ec1u kh\u00f4ng v\u1ec1 l\u1ea5y 1 nh\u00e1y, th\u00ec s\u1ebd m\u1ea5t \u0111i to\u00e0n b\u1ed9 s\u1ed1 v\u1ed1n b\u1ecf ra (1 tri\u1ec7u 80 ng\u00e0n vnd).<\/p>\n \u0110\u1ec3 tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p thua c\u1ea3 d\u00e0n l\u00f4, thay v\u00ec ch\u01a1i theo b\u1ea1n b\u00e8, theo c\u1ea3m t\u00ednh, ch\u00fang ta n\u00ean t\u00ecm hi\u1ec3u k\u1ef9 c\u00e0ng nh\u1eefng con s\u1ed1 m\u00e0 m\u00ecnh mu\u1ed1n ch\u01a1i. C\u00f3 kh\u00e1 nhi\u1ec1u c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 t\u00ednh ra d\u00e0n l\u00f4. Ngo\u1ea1i tr\u1eeb vi\u1ec7c ch\u01a1i nh\u1eefng con s\u1ed1 m\u00e0 b\u1ea1n th\u00edch, d\u01b0\u1edbi \u0111\u00e2y m\u00ecnh xin tr\u00ecnh b\u00e0y nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o d\u00e0n v\u00e0 b\u1eafc c\u1ea7u l\u00f4 hi\u1ec7u qu\u1ea3.<\/p>\n \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p m\u00e0 m\u00ecnh mu\u1ed1n nh\u1eafc \u0111\u1ebfn \u0111\u1ea7u ti\u00ean b\u1edfi x\u00e1c su\u1ea5t v\u1ec1 cao v\u00e0 kh\u00f4ng g\u00e2y hoang mang khi ch\u01a1i l\u00f4 d\u00e0n t\u1ea1o b\u1eb1ng \u1ee9ng d\u1ee5ng. B\u1eafc c\u1ea7u, hay c\u00f2n g\u1ecdi l\u00e0 soi c\u1ea7u, l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 c\u1ee7a nh\u1eefng ng\u00e0y g\u1ea7n nh\u1ea5t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y v\u1eadn d\u1ee5ng k\u1ef9 n\u0103ng ph\u00e2n t\u00edch, ch\u1ecdn l\u1ef1a v\u00e0 cu\u1ed1i c\u00f9ng cho ra k\u1ebft qu\u1ea3. N\u00f3 t\u1ed1n kh\u00e1 nhi\u1ec1u th\u1eddi gian v\u00e0 y\u00eau c\u1ea7u ng\u01b0\u1eddi ph\u00e2n t\u00edch ph\u1ea3i tinh m\u1eaft l\u1ef1a s\u1ed1.<\/p>\n Hai ph\u01b0\u01a1ng ph\u00e1p v\u1eeba n\u00eau tr\u00ean l\u00e0 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f2i h\u1ecfi s\u1ef1 tinh to\u00e1n v\u00e0 tinh m\u1eaft, v\u1eady c\u00f3 ph\u01b0\u01a1ng th\u1ee9c n\u00e0o c\u00f3 th\u1ec3 l\u1ea5y d\u00e0n m\u00e0 kh\u00f4ng \u0111\u00f2i h\u1ecfi s\u1ef1 t\u00ednh toan kh\u00f4ng? C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 c\u00f3. \u0110\u00f3 l\u00e0 nh\u1eefng d\u00e0n c\u00f3 s\u1eb5n trong t\u1ef1 nhi\u00ean.<\/p>\n 00,01,02,03,04,05,06,07,08,09,20,21,22,23,24,25,26,27,28,29,40,41,42,43,44,45,46,47,48,49,60,61,62,63,64,65,66,67,68,69,80,81,82,83,84,85,86,87,88,89.<\/p>\n 10,11,12,13,14,15,16,17,18,19,30,31,32,33,34,35,36,37,38,39,50,51,52,53,54,55,56,57,58,59,70,71,72,73,74,75,76,77,78,79,90,91,92,93,94,95,96,97,98,99.<\/p>\n 00,01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49.<\/p>\n 50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99.<\/p>\n 00,02,04,06,08,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98<\/p>\n 01,03,05,07,09,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,99<\/p>\n 00,01,02,03,04,10,11,12,13,14,20,21,22,23,24,30,31,32,33,34,40,41,42,43,44,50,51,52,53,54,60,61,62,63,64,70,71,72,73,74,80,81,82,83,84,90,91,92,93,94<\/p>\n 05,06,07,08,09,15,16,17,18,19,25,26,27,28,29,35,36,37,38,39,45,46,47,48,49,55,56,57,58,59,65,66,67,68,69,75,76,77,78,79,85,86,87,88,89,95,96,97,98,99<\/p>\n 00,02,04,06,08,11,13,15,17,19,20,22,24,26,28,31,33,35,37,39,40,42,44,46,48,51,53,55,57,59,60,62,64,66,68,71,73,75,77,79,80,82,84,86,88,91,93,95,97,99<\/p>\n 01,03,05,07,09,10,12,14,16,18,21,23,25,27,29,30,32,34,36,38,41,43,45,47,49,50,52,54,56,58,61,63,65,67,69,70,72,74,76,78,81,83,85,87,89,90,92,94,96,98<\/p>\n 05,06,07,08,09,14,15,16,17,18,23,24,25,26,27,32,33,34,35,36,41,42,43,44,45,50,51,52,53,54,60,61,62,63,69,70,71,72,78,79,80,81,87,88,89,90,96,97,98,99<\/p>\n 05,06,07,08,09,14,15,16,17,18,23,24,25,26,27,32,33,34,35,36,41,42,43,44,45,50,51,52,53,54,60,61,62,63,69,70,71,72,78,79,80,81,87,88,89,90,96,97,98,99<\/p>\n 00,22,44,66,88,02,20,04,40,06,60,08,80,24,42,26,62 ,28,82,46,64,48,84,68,86<\/p>\n 01,03,05,07,09,21,23,25,27,29,41,43,45,47,49,61,63 ,65,67,69,81,83,85,87,89<\/p>\n 10,12,14,16,18,30,32,34,36,38,50,52,54,56,58,70,72 ,74,76,78,90,92,94,96,98<\/p>\n 11,33,55,77,99,13,31,15,51,17,71,19,91,35,53,37,73 ,39,93,57,75,59,95,79,97<\/p>\n 00,11,22,33,44,01,10,02,20,03,30,04,40,12,21,13,31 ,14,41,23,32,24,42,34,43<\/p>\n 05,06,07,08,09,15,16,17,18,19,25,26,27,28,29,35,36 ,37,38,39,45,46,47,48,49<\/p>\n 90,91,92,93,94,80,81,82,83,84,70,71,72,73,74,60,61 ,62,63,64,50,51,52,53,54<\/p>\n 55,66,77,88,99,56,65,57,75,58,85,59,95,67,76,68,86 ,69,96,78,87,79,97,89,98<\/p>\n 00,55,11,66,22,77,33,88,44,99<\/p>\n 05,50,16,61,27,72,38,83,49,94<\/p>\n<\/div>\n<\/div>\n<\/div>\n <\/main><\/div>\n<\/div>\n b\u1ea1ch th\u1ee7 l\u00f4 chu\u1ea9n 100% mb<\/span><\/a><\/strong><\/p>\n b\u1ea1ch th\u1ee7 l\u00f4 2 nh\u00e1y si\u00eau chu\u1ea9n<\/span><\/a> <\/strong><\/p>\n b\u1ea1ch th\u1ee7 l\u00f4 k\u00e9p v\u00edp<\/span><\/a> <\/strong><\/p>\n b\u1ea1ch th\u1ee7 \u0111\u1ec1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n song th\u1ee7 l\u00f4 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n d\u00e0n \u0111\u1ec1 4 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n d\u00e0n \u0111\u1ec1 6 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n d\u00e0n \u0111\u1ec1 8 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n d\u00e0n \u0111\u1ec1 10 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n song th\u1ee7 l\u00f4 k\u00e9p mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n song th\u1ee7 \u0111\u1ec1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n d\u00e0n l\u00f4 4 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/p>\n <\/b>x\u1ec9u ch\u1ee7 mi\u1ec1n nam<\/span><\/a><\/b><\/strong><\/p>\n <\/b>gi\u1ea3i 8 mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n <\/b>c\u1eb7p x\u1ec9u ch\u1ee7 mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n <\/b>\u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n <\/b>l\u00f4 3 s\u1ed1 mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n <\/b>gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n <\/b>bao l\u00f4 mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n <\/b>song th\u1ee7 l\u00f4 mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n <\/b>\u0111\u1ea7u \u0111u\u00f4i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n nam<\/span><\/a><\/strong><\/p>\n PH\u01af\u01a0NG PH\u00c1P \u0110\u00c1NH L\u00d4 D\u00c0N HI\u1ec6U QU\u1ea2 NH\u1ea4T<\/p>\n","protected":false},"author":1,"featured_media":16808,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[293],"tags":[324,323,325,322,326],"yoast_head":"\nL\u00f4 d\u00e0n l\u00e0 g\u00ec?<\/strong><\/h2>\n
\nL\u00f4 d\u00e0n hi\u1ec3u n\u00f4m na l\u00e0 \u0111\u00e1nh nhi\u1ec1u con l\u00f4 m\u00e0 b\u1ea1n cho r\u1eb1ng c\u00f3 t\u1ec9 l\u1ec7 v\u1ec1 cao nh\u1ea5t. L\u00f4 d\u00e0n th\u01b0\u1eddng bao g\u1ed3m t\u1eeb 4 con tr\u1edf l\u00ean, v\u00e0 g\u1eb7p nhi\u1ec1u nh\u1ea5t l\u00e0 nh\u1eefng c\u1eb7p song th\u1ee7 l\u00f4<\/span><\/strong> c\u00f3 d\u1ea1ng AB BA, v\u00ed d\u1ee5 : 12 21 45 54.<\/p>\nPh\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh l\u00f4 d\u00e0n hi\u1ec7u qu\u1ea3 nh\u1ea5t<\/h4>\n
L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o m\u1ed9t d\u00e0n l\u00f4?<\/strong><\/h2>\n
B\u1eafc c\u1ea7u l\u00f4<\/strong><\/h2>\n
D\u00e0n \u0111\u1eb7c bi\u1ec7t<\/strong><\/h2>\n
D\u00e0n \u0111\u1ea7u ch\u1eb5n:<\/strong><\/h3>\n
D\u00e0n \u0111\u1ea7u l\u1ebb:<\/strong><\/h3>\n
D\u00e0n \u0111\u1ea7u b\u00e9 (x\u1ec9u):<\/strong><\/h3>\n
D\u00e0n \u0111\u1ea7u l\u1edbn (t\u00e0i):<\/strong><\/h3>\n
D\u00e0n \u0111u\u00f4i ch\u1eb5n:<\/strong><\/h3>\n
D\u00e0n \u0111u\u00f4i l\u1ebb:<\/strong><\/h3>\n
D\u00e0n \u0111u\u00f4i b\u00e9:<\/strong><\/h3>\n
D\u00e0n \u0111u\u00f4i l\u1edbn:<\/strong><\/h3>\n
D\u00e0n t\u1ed5ng ch\u1eb5n:<\/strong><\/h3>\n
D\u00e0n t\u1ed5ng l\u1ebb:<\/strong><\/h3>\n
D\u00e0n t\u1ed5ng b\u00e9:<\/strong><\/h3>\n
D\u00e0n t\u1ed5ng l\u1edbn:<\/strong><\/h3>\n
D\u00e0n ch\u1eb5n ch\u1eb5n:<\/strong><\/h3>\n
D\u00e0n ch\u1eb5n l\u1ebb:<\/strong><\/h3>\n
D\u00e0n l\u1ebb ch\u1eb5n:<\/strong><\/h3>\n
D\u00e0n l\u1ebb l\u1ebb:<\/strong><\/h3>\n
D\u00e0n b\u00e9 b\u00e9:<\/strong><\/h3>\n
D\u00e0n b\u00e9 l\u1edbn:<\/strong><\/h3>\n
D\u00e0n l\u1edbn b\u00e9:<\/strong><\/h3>\n
D\u00e0n l\u1edbn l\u1edbn:<\/strong><\/h3>\n
D\u00e0n k\u00e9p<\/strong><\/span><\/h3>\n
D\u00e0n k\u00e9p l\u1ec7ch:<\/strong><\/h3>\n
\u2714 soi c\u1ea7u mi\u1ec1n b\u1eafc si\u00eau chu\u1ea9n<\/span><\/h2>\n
\u2714 soi c\u1ea7u mi\u1ec1n b\u1eafc si\u00eau ch\u00ednh x\u00e1c<\/span><\/h2>\n
d\u00e0n l\u00f4 6 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
d\u00e0n l\u00f4 xi\u00ean 2 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
d\u00e0n l\u00f4 xi\u00ean 4 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
d\u00e0n l\u00f4 8 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
d\u00e0n l\u00f4 xi\u00ean 3 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
3 c\u00e0ng mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
d\u00e0n 3 c\u00e0ng 2 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a> <\/strong><\/h4>\n
\u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i mi\u1ec1n b\u1eafc<\/span><\/a><\/strong><\/h4>\n
d\u00e0n l\u00f4 10 s\u1ed1 mi\u1ec1n b\u1eafc<\/span><\/a><\/strong><\/h4>\n
\u2714 soi c\u1ea7u mi\u1ec1n nam si\u00eau ch\u00ednh x\u00e1c<\/span><\/h2>\n
\u2714 soi c\u1ea7u mi\u1ec1n trung<\/span><\/h2>\n
x\u1ec9u ch\u1ee7 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
gi\u1ea3i 8 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
c\u1eb7p x\u1ec9u ch\u1ee7 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
\u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i 8 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
l\u00f4 3 s\u1ed1 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
gi\u1ea3i \u0111\u1eb7c bi\u1ec7t mi\u1ec1n trung<\/a><\/strong><\/h4>\n
bao l\u00f4 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
song th\u1ee7 l\u00f4 mi\u1ec1n trung<\/a><\/strong><\/h4>\n
\u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i \u0111\u1eb7c bi\u00eat mt<\/a><\/strong><\/h4>\n","protected":false},"excerpt":{"rendered":"