V\u1edbi nh\u1eefng anh em \u0111\u00e3 ch\u01a1i chuy\u00ean nghi\u1ec7p th\u00ec ch\u1eafc c\u00f3 l\u1ebd kh\u00f4ng c\u00f2n xa l\u1ea1 g\u00ec v\u1edbi thu\u1eadt ng\u1eef b\u00f3ng l\u00f4 \u0111\u1ec1. Tuy nhi\u00ean v\u1eabn c\u00f2n r\u1ea5t nhi\u1ec1u anh em v\u1eabn m\u1eafc nh\u1ea7m l\u1eabn x\u00e1c \u0111\u1ecbnh b\u00f3ng s\u1ed1 l\u00f4 \u0111\u00ea. V\u00e0 ch\u01b0a bi\u1ebft \u00fd ngh\u0129 kh\u1ee7ng khi\u1ebfp c\u1ee7a n\u00f3.<\/p>\n
C\u00e1c d\u1ea1ng b\u00f3ng l\u00f4 \u0111\u1ec1 m\u00e0 ng\u01b0\u1eddi ch\u01a1i c\u1ea7n bi\u1ebft<\/strong><\/span><\/h2>\nB\u00f3ng d\u01b0\u01a1ng c\u1ee7a l\u00f4 \u0111\u1ec1<\/strong><\/span><\/h3>\nB\u00f3ng d\u01b0\u01a1ng trong b\u00f3ng s\u1ed1 \u0111\u1ec1 g\u1ed3m c\u00f3 5 c\u1eb7p s\u1ed1 sau:<\/h4>\n
+ 1 v\u00e0 6 l\u00e0 c\u1eb7p b\u00f3ng d\u01b0\u01a1ng<\/p>\n
+ 2 v\u00e0 7 l\u00e0 c\u1eb7p b\u00f3ng d\u01b0\u01a1ng<\/p>\n
+ 3 v\u00e0 8 l\u00e0 c\u1eb7p b\u00f3ng d\u01b0\u01a1ng<\/p>\n
+ 4 v\u00e0 9 l\u00e0 c\u1eb7p b\u00f3ng d\u01b0\u01a1ng<\/p>\n
+ 0 v\u00e0 5 l\u00e0 c\u1eb7p b\u00f3ng d\u01b0\u01a1ng<\/p>\n
B\u1ed9 s\u1ed1 b\u00f3ng d\u01b0\u01a1ng<\/strong><\/h4>\nB\u1ed9 s\u1ed1 b\u00f3ng d\u01b0\u01a1ng l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 c\u00f3 2 ch\u1eef s\u1ed1 l\u00e0 b\u00f3ng d\u01b0\u01a1ng c\u1ee7a nhau. Ho\u1eb7c 1 s\u1ed1 gi\u1ed1ng nhau, 1 s\u1ed1 l\u00e0 b\u00f3ng d\u01b0\u01a1ng c\u1ee7a nhau theo quy \u0111\u1ecbnh c\u1ee7a b\u00f3ng s\u1ed1 l\u00f4 \u0111\u1ec1. C\u00f3 15 b\u1ed9 b\u00f3ng d\u01b0\u01a1ng nh\u01b0 sau:<\/p>\n
B\u00f3ng d\u01b0\u01a1ng trong b\u00f3ng s\u1ed1 \u0111\u1ec1 g\u1ed3m c\u00f3 5 c\u1eb7p s\u1ed1 sau:<\/h4>\n
+ 1 v\u00e0 6 l\u00e0 c\u1eb7p b\u00f3ng d\u01b0\u01a1ng<\/p>\n
+ 2 v\u00e0 7 l\u00e0 c\u1eb7p b\u00f3ng d\u01b0\u01a1ng<\/p>\n
+ 3 v\u00e0 8 l\u00e0 c\u1eb7p b\u00f3ng d\u01b0\u01a1ng<\/p>\n
+ 4 v\u00e0 9 l\u00e0 c\u1eb7p b\u00f3ng d\u01b0\u01a1ng<\/p>\n
+ 0 v\u00e0 5 l\u00e0 c\u1eb7p b\u00f3ng d\u01b0\u01a1ng<\/p>\n