1 3 3 8怎么算24?

1 3 3 8怎么算24?
1 3 3 8怎么算24?

1 3 3 8怎么算24?
1: (1 + 8) × 3 - 3
2: ((1 + 8) × 3) - 3
3: 3 - (1 - 8) × 3
4: 3 - ((1 - 8) × 3)
5: (3 × (1 + 8)) - 3
6: 3 × (1 + 8) - 3
7: 3 - (3 × (1 - 8))
8: 3 - 3 ×(1 - 8)
9: 3 + (3 × (8 - 1))
10: 3 + 3 ×(8 - 1)
11: 3 + (8 - 1) × 3
12: 3 + ((8 - 1) × 3)
13: (3 × (8 + 1)) - 3
14: 3 × (8 + 1) - 3
15: (3 × (8 - 1)) + 3
16: 3 × (8 - 1) + 3
17: (8 + 1) × 3 - 3
18: ((8 + 1) × 3) - 3
19: (8 - 1) × 3 + 3
20: ((8 - 1) × 3) + 3