三五七六用加减乘除怎样得24

3*（7+6-5）

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
11: 6 × (7 + 5) ÷ 3
12: 6 × ((7 + 5) ÷ 3)
13: 6 ÷ 3 ×(5 + 7)
14: (6 ÷ 3) × (5 + 7)
15: 6 ÷ (3 ÷ (5 + 7))
16: 6 ÷ 3 ×(7 + 5)
17: (6 ÷ 3) × (7 + 5)
18: 6 ÷ (3 ÷ (7 + 5))
19: (5 + 7) × 6 ÷ 3
20: ((5 + 7) × 6) ÷ 3
21: (5 + 7) × (6 ÷ 3)
22: (5 + 7) ÷ 3 × 6
23: ((5 + 7) ÷ 3) × 6
24: (5 + 7) ÷ (3 ÷ 6)
25: (7 + 6 - 5) × 3
26: ((7 + 6) - 5) × 3
27: (7 + (6 - 5)) × 3
28: (7 + 5) × 6 ÷ 3
29: ((7 + 5) × 6) ÷ 3
30: (7 + 5) × (6 ÷ 3)