用10 10 2 3 来做24点 要4种方法

1:10 + (10 - 3) × 2
2:10 + ((10 - 3) × 2)
3:10 + (2 × (10 - 3))
4:10 + 2 ×(10 - 3)
5:10 - (2 × (3 - 10))
6:10 - 2 ×(3 - 10)
7:10 - (3 - 10) × 2
8:10 - ((3 - 10) × 2)
9:(10 - 3) × 2 + 10
10:((10 - 3) × 2) + 10
11:(2 × (10 - 3)) + 10
12:2 × (10 - 3) + 10