Question

怎么把2 3 4 5 四个数用加减乘除最后结果等于24?

Answer 1

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
31: 4 × (3 - 2 + 5)
32: 4 × ((3 - 2) + 5)
33: 4 × (3 - (2 - 5))
34: (4 + 3 + 5) × 2
35: ((4 + 3) + 5) × 2
36: (4 + (3 + 5)) × 2
37: 4 × (3 + 5 - 2)
38: 4 × ((3 + 5) - 2)
39: 4 × (3 + (5 - 2))
40: 4 × (5 - 2 + 3)
41: 4 × ((5 - 2) + 3)
42: 4 × (5 - (2 - 3))
43: (4 + 5 + 3) × 2
44: ((4 + 5) + 3) × 2
45: (4 + (5 + 3)) × 2
46: 4 × (5 + 3 - 2)
47: 4 × ((5 + 3) - 2)
48: 4 × (5 + (3 - 2))
49: (5 - 2 + 3) × 4
50: ((5 - 2) + 3) × 4
51: (5 - (2 - 3)) × 4
52: (5 + 3 - 2) × 4
53: ((5 + 3) - 2) × 4
54: (5 + (3 - 2)) × 4
55: (5 + 3 + 4) × 2
56: ((5 + 3) + 4) × 2
57: (5 + (3 + 4)) × 2
58: (5 + 4 + 3) × 2
59: ((5 + 4) + 3) × 2
60: (5 + (4 + 3)) × 2
采纳吧~亲~

Answer 2

2×（3＋4＋5）＝24