3 4 5 2四个数怎么算等于24

1: 2 × (3 + 4 + 5)
2: 2 × ((3 + 4) + 5)
3: 2 × (3 + (4 + 5))
4: 2 × (3 + 5 + 4)
5: 2 × ((3 + 5) + 4)
6: 2 × (3 + (5 + 4))
7: 2 × (4 + 3 + 5)
8: 2 × ((4 + 3) + 5)
9: 2 × (4 + (3 + 5))
10: 2 × (4 + 5 + 3)
11: 2 × ((4 + 5) + 3)
12: 2 × (4 + (5 + 3))
13: 2 × (5 + 3 + 4)
14: 2 × ((5 + 3) + 4)
15: 2 × (5 + (3 + 4))
16: 2 × (5 + 4 + 3)
17: 2 × ((5 + 4) + 3)
18: 2 × (5 + (4 + 3))
19: (3 - 2 + 5) × 4
20: ((3 - 2) + 5) × 4
21: (3 - (2 - 5)) × 4
22: (3 + 4 + 5) × 2
23: ((3 + 4) + 5) × 2
24: (3 + (4 + 5)) × 2
25: (3 + 5 - 2) × 4
26: ((3 + 5) - 2) × 4
27: (3 + (5 - 2)) × 4
28: (3 + 5 + 4) × 2
29: ((3 + 5) + 4) × 2
30: (3 + (5 + 4)) × 2

1: 11 - 2 + 10 + 5
2: (11 - 2) + 10 + 5
3: (11 - 2 + 10) + 5
4: ((11 - 2) + 10) + 5
5: 11 - 2 +(10 + 5)
6: (11 - 2) + (10 + 5)
7: (11 - (2 - 10