1 -2 2 3怎样组成24点?(或等于-24
问题描述:
1 -2 2 3怎样组成24点?(或等于-24
答
1, -2, 3, 4的24点答案:
-(-2)
1: (1 -(-2) + 3) × 4
2: ((1 -(-2) + 3) × 4
3: (1 + 3 -(-2)) × 4
4: ((1 + 3) -(-2)) × 4
5: (1 + (3 -(-2))) × 4
6: (1 + 3) × (-(-2) + 4)
答
-22+1-3=-24
答
2^[1-(-2)]*3=24
答
[1-(-2)]*2^3