Question

如何用加减乘除法和（）使6,5,7,3变成得数为24的算试（每个数只能用一次）

Answer 1

1: (6 - 5 + 7) × 3

2: ((6 - 5) + 7) × 3

3: (6 - (5 - 7)) × 3

4: (6 × (5 + 7)) ÷ 3

5: 6 × (5 + 7) ÷ 3

6: 6 × ((5 + 7) ÷ 3)

7: (6 + 7 - 5) × 3

8: ((6 + 7) - 5) × 3

9: (6 + (7 - 5)) × 3

10: (6 × (7 + 5)) ÷ 3