4<\/strong><\/td>\n | 2<\/strong><\/td>\n | 3<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nB\u01b0\u1edbc 3: X\u00e9t b\u00f3ng c\u1ee7a gi\u1ea3i<\/h3>\n\u1ede b\u01b0\u1edbc n\u00e0y, ch\u00fang ta s\u1ebd x\u00e9t m\u1ed7i c\u1ed9t h\u00e0ng d\u1ecdc xem c\u00f3 s\u1ed1 n\u00e0o trong \u0111\u00f3 l\u00e0 B\u00f3ng c\u1ee7a nhau kh\u00f4ng ?<\/p>\n L\u01b0u \u00fd:<\/strong> N\u1ebfu anh em kh\u00f4ng soi \u0111\u01b0\u1ee3c c\u00f3 c\u1eb7p s\u1ed1 n\u00e0o trong c\u1ed9t l\u00e0 b\u00f3ng c\u1ee7a nhau. Ho\u1eb7c c\u00f3 nhi\u1ec1u h\u01a1n m\u1ed9t c\u1eb7p s\u1ed1 l\u00e0 b\u00f3ng c\u1ee7a nhau th\u00ec ta s\u1ebd d\u1eebng lu\u00f4n kh\u00f4ng v\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c c\u00e1ch soi c\u1ea7u gi\u1ea3i 6 xsmb n\u00e0y.<\/p>\n V\u00ed d\u1ee5<\/strong>: trong 3 c\u1ed9t h\u00e0ng h\u1ecdc \u1edf tr\u00ean 204, 582, 183 th\u00ec c\u1ed9t th\u1ee9 3 c\u00f3 8 v\u00e0 3<\/strong> l\u00e0 b\u00f3ng c\u1ee7a nhau. C\u00f2n 2 c\u1ed9t \u0111\u1ea7u ti\u00ean kh\u00f4ng c\u00f3 c\u1eb7p s\u1ed1 n\u00e0o l\u00e0 b\u00f3ng c\u1ee7a nhau th\u00ec th\u1ecfa m\u00e3 \u0111i\u1ec1u ki\u1ec7n, \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c c\u00e1ch soi c\u1ea7u n\u00e0y.<\/p>\n Ph\u1ea7n n\u00e0y anh em c\u1ea7n hi\u1ec3u r\u00f5 v\u1ec1 B\u00f3ng L\u00f4 \u0110\u1ec1 m\u1edbi c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c. Anh em ch\u01b0a hi\u1ec3u h\u00e3y xem l\u1ea1i b\u00e0i b\u00ean tr\u00ean.<\/p>\n |