Question

2 5 7 8怎么等于24

Answer 1

1:(2 × 5 - 7) × 8=24

2:((2 × 5) - 7) × 8=24

3:(5 × 2 - 7) × 8=24

4:((5 × 2) - 7) × 8=24

5:8 × (2 × 5 - 7)=24

6:8 × ((2 × 5) - 7)=24

7:8 × (5 × 2 - 7)=24

8:8 × ((5 × 2) - 7)=24