Ph\u01b0\u01a1ng ph\u00e1p <\/span>d\u00e0n \u0111\u1ec1 t\u1ed5ng l\u1ebb<\/b> c\u0169ng v\u1eady, n\u00f3 mang l\u1ea1i cho anh em c\u01a1 h\u1ed9i; x\u00e1c su\u1ea5t tr\u00fang l\u00f4 \u0111\u1ec1 l\u00e0 r\u1ea5t cao. V\u00e0 \u0111\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3, anh em ph\u1ea3i n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c nh\u1eefng kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n li\u00ean quan \u0111\u1ebfn n\u00f3 c\u0169ng nh\u01b0 nh\u1eefng th\u1ee7 thu\u1eadt; b\u00ed quy\u1ebft khi soi c\u1ea7u l\u00f4 \u0111\u1ec1 qua ph\u01b0\u01a1ng ph\u00e1p n\u00e0y. B\u00e0i vi\u1ebft sau \u0111\u00e2y c\u1ee7a ch\u00fang t\u00f4i s\u1ebd l\u00e0 h\u00e0nh trang, b\u00e0n \u0111\u1ea1p cho anh em bi\u1ebft nhi\u1ec1u h\u01a1n v\u1ec1 h\u00ecnh th\u1ee9c ch\u01a1i n\u00e0y.<\/span><\/p>\n \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p kh\u00e1 ph\u1ed5 bi\u1ebfn; th\u00f4ng d\u1ee5ng trong vi\u1ec7c l\u1eadp d\u00e0n \u0111\u1ec1. M\u1ed9t d\u00e0n \u0111\u1ec1 \u0111\u00f3 bao g\u1ed3m nhi\u1ec1u c\u1eb7p s\u1ed1; trong \u0111\u00f3 c\u00e1c c\u1eb7p s\u1ed1 lu\u00f4n c\u00f3 t\u1ed5ng l\u00e0 l\u1ebb (kh\u00f4ng chia h\u1ebft cho 2) ngh\u0129a l\u00e0 \u1edf c\u1eb7p s\u1ed1 \u0111\u00f3 lu\u00f4n ch\u1ee9a m\u1ed9t s\u1ed1 l\u1ebb v\u00e0 m\u1ed9t s\u1ed1 ch\u1eb5n.<\/span><\/p>\n Qua kh\u00e1i ni\u1ec7m tr\u00ean ch\u00fang ta s\u1ebd l\u1eadp \u0111\u01b0\u1ee3c d\u00e0n \u0111\u1ec1 l\u00e0 50 c\u1eb7p s\u1ed1 sau: 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, 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.<\/span><\/p>\n \u0110\u1ed1i v\u1edbi d\u00e0n \u0111\u1ec1 n\u00e0y th\u00ec bao g\u1ed3m 2 b\u1ed9 ph\u1eadn c\u1ea5u th\u00e0nh n\u00ean ch\u00fang; \u0111\u00f3 l\u00e0 d\u00e0n \u0111\u1ec1 l\u1ebb ch\u1eb5n v\u00e0 d\u00e0n \u0111\u1ec1 ch\u1eb5n l\u1ebb. Tho\u1ea1t \u0111\u1ea7u nh\u00ecn kh\u00e1 gi\u1ed1ng nhau nh\u01b0ng \u0111\u00f3 l\u00e0 2 d\u00e0n \u0111\u1ec1 \u0111\u1ed1i ngh\u1ecbch v\u00e0 tr\u00e1i ng\u01b0\u1ee3c.<\/span><\/p>\n <\/p>\n \u0110\u00e2y l\u00e0 d\u00e0n \u0111\u1ec1 ch\u1ee9a 25 c\u1eb7p s\u1ed1 m\u00e0 trong c\u1eb7p s\u1ed1 \u0111\u00f3 h\u00e0ng ch\u1ee5c (s\u1ed1 \u0111\u1ee9ng \u0111\u1ea7u) ph\u1ea3i lu\u00f4n l\u00e0 s\u1ed1 ch\u1eb5n; h\u00e0ng \u0111\u01a1n v\u1ecb ( s\u1ed1 \u0111\u1ee9ng sau ) ph\u1ea3i lu\u00f4n l\u00e0 s\u1ed1 l\u1ebb.<\/span><\/p>\n Ta c\u00f3 th\u1ec3 l\u1eadp \u0111\u01b0\u1ee3c d\u00e0n \u0111\u1ec1 ch\u1eb5n l\u1ebb sau: 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.<\/span><\/p>\n D\u00e0n \u0111\u1ec1 n\u00e0y \u0111\u1ed1i l\u1eadp v\u1edbi d\u00e0n \u0111\u1ec1 ch\u1eb5n l\u1ebb; c\u00f3 ngh\u0129a l\u00e0 trong c\u1eb7p s\u1ed1 \u0111\u00f3: s\u1ed1 h\u00e0ng ch\u1ee5c (s\u1ed1 \u0111\u1ee9ng \u0111\u1ea7u) ph\u1ea3i lu\u00f4n l\u00e0 s\u1ed1 l\u1ebb; h\u00e0ng \u0111\u01a1n v\u1ecb (s\u1ed1 \u0111\u1ee9ng sau ) ph\u1ea3i lu\u00f4n l\u00e0 s\u1ed1 ch\u1eb5n.<\/span><\/p>\n Ta c\u00f3 th\u1ec3 l\u1eadp \u0111\u01b0\u1ee3c d\u00e0n \u0111\u1ec1 l\u1ebb ch\u1eb5n sau: 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.<\/span><\/p>\n M\u1ed7i lo\u1ea1i d\u00e0n \u0111\u1ec1 c\u00f3 m\u1ed9t hi\u1ec7u qu\u1ea3 ri\u00eang c\u1ee7a n\u00f3; khi anh em \u0111\u00e3 n\u1eafm v\u00e0 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c kh\u00e1i ni\u1ec7m tr\u00ean th\u00ec vi\u1ec7c soi c\u1ea7u l\u00f4 \u0111\u1ec1 qua ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1ebd d\u1ec5 d\u00e0ng h\u01a1n r\u1ea5t nhi\u1ec1u. Khi \u0111\u00f3 c\u00e1c m\u1eb9o v\u00e0 b\u00ed quy\u1ebft c\u1ee7a h\u00ecnh th\u1ee9c ch\u01a1i n\u00e0y l\u00e0 trong t\u1ea7m tay c\u1ee7a c\u00e1c b\u1ea1n<\/span><\/p>\n \u0110\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng chi\u1ebfn th\u1eafng c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, \u0111\u1ea7u ti\u00ean c\u00e1c anh em ph\u1ea3i bi\u1ebft \u0111\u01b0\u1ee3c \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3 qua \u0111\u00f3 kh\u1eafc ph\u1ee5c c\u00e1c h\u1ea1n ch\u1ebf mang l\u1ea1i v\u00e0 ph\u00e1t huy c\u00e1c l\u1ee3i th\u1ebf c\u1ee7a vi\u1ec7c l\u1eadp d\u00e0n \u0111\u1ec1 n\u00e0y.<\/span><\/p>\n <\/p>\n Th\u00f4ng qua n\u1ed9i dung c\u1ee5 th\u1ec3 c\u1ee7a b\u00e0i vi\u1ebft tr\u00ean, ch\u00fang t\u00f4i mong r\u1eb1ng m\u1ed9t ph\u1ea7n n\u00e0o \u0111\u00f3 \u0111\u00e3 gi\u00fap anh em trong vi\u1ec7c soi c\u1ea7u l\u00f4 \u0111\u1ec1 h\u1eb1ng ng\u00e0y.Bi\u1ebft \u0111\u01b0\u1ee3c ph\u01b0\u01a1ng ph\u00e1p c\u0169ng nh\u01b0 c\u00e1c th\u1ee7 thu\u1eadt, b\u00ed quy\u1ebft c\u1ee7a vi\u1ec7c l\u1eadp <\/span>d\u00e0n \u0111\u1ec1 t\u1ed5ng l\u1ebb<\/b> mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao nh\u1ea5t cho vi\u1ec7c lu\u1eadn c\u1ea7u n\u00f3i chung v\u00e0 l\u1eadp d\u00e0n \u0111\u1ec1 n\u00f3i ri\u00eang. Ch\u00fac to\u00e0n th\u1ec3 anh em m\u00e3 \u0111\u00e1o th\u00e0nh c\u00f4ng trong b\u1ed9 m\u00f4n n\u00e0y.<\/span><\/p>\n<\/div>\n<\/article>\n<\/section>\nD\u00e0n \u0111\u1ec1 t\u1ed5ng l\u1ebb l\u00e0 g\u00ec v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 c\u1ea5u th\u00e0nh ch\u00fang<\/b><\/span><\/h2>\n
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D\u00e0n \u0111\u1ec1 ch\u1eb5n l\u1ebb<\/strong><\/span><\/h3>\n
D\u00e0n \u0111\u1ec1 l\u1ebb ch\u1eb5n<\/strong><\/span><\/h3>\n
B\u00ed k\u00edp soi d\u00e0n \u0111\u1ec1 t\u1ed5ng l\u1ebb ch\u1eafc tr\u00fang<\/b><\/span><\/h2>\n
\u01afu \u0111i\u1ec3m<\/b><\/span><\/h3>\n
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Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/b><\/span><\/h3>\n
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M\u1ed9t s\u1ed1 m\u1eb9o v\u00e0 b\u00ed quy\u1ebft khi s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p d\u00e0n \u0111\u1ec1 t\u1ed5ng l\u1ebb<\/b><\/span><\/h2>\n
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T\u1ea1m k\u1ebft<\/b><\/span><\/h2>\n
CH\u1ed0T S\u1ed0 SI\u00caU CHU\u1ea8N V\u00cdP<\/b><\/span><\/h1>\n