5677:(5 - 7 / 7 )× 6 = 24
2369:方法一:[ (6 - 3) + 9 ] × 2 = 24
方法二:(9 / 3)× (2 + 6)= 24
方法三:(9 - 3 + 6 )× 2 = 24
方法四:(9 - 3 - 2)× 6 = 24
5677:(5 - 7 / 7 )× 6 = 24
2369:方法一:[ (6 - 3) + 9 ] × 2 = 24
方法二:(9 / 3)× (2 + 6)= 24
方法三:(9 - 3 + 6 )× 2 = 24
方法四:(9 - 3 - 2)× 6 = 24