2,7,7,10怎么算24点

2,7,7,10怎么算24点
2,7,7,10怎么算24点

2,7,7,10怎么算24点
1: (2 + 10 ÷ 7) × 7
2: (2 + (10 ÷ 7)) × 7
3: 7 × (2 + 10 ÷ 7)
4: 7 × (2 + (10 ÷ 7))
5: 7 × (10 ÷ 7 + 2)
6: 7 × ((10 ÷ 7) + 2)
7: (10 ÷ 7 + 2) × 7
8: ((10 ÷ 7) + 2) × 7
可能有重复,自己看看