负2,4,5,7的怎样组成24点
问题描述:
负2,4,5,7的怎样组成24点
答
(4-2)X(7+5)
答
3*(6-5+7)=24
9G
4S
答
(-2+4) X(5+7)=24
答
(5+7)(-2+4)
答
-2,4,5,7的24点答案:
1 (4 - 2) × (5 + 7)
2 (4 - 2) × (7 + 5)
3 (7 + 5) × (4 - 2)