Question

如何让2,8,3,1,得到24

Answer 1

1: 2 × (8 + 3 + 1)
2: 2 × ((8 + 3) + 1)
3: 2 × (8 + (3 + 1))
4: 2 × (8 + 1 + 3)
5: 2 × ((8 + 1) + 3)
6: 2 × (8 + (1 + 3))
7: 2 × (3 + 8 + 1)
8: 2 × ((3 + 8) + 1)
9: 2 × (3 + (8 + 1))
10: 2 × (3 + 1 + 8)
11: 2 × ((3 + 1) + 8)
12: 2 × (3 + (1 + 8))
13: (2 - 1) × 8 × 3
14: ((2 - 1) × 8) × 3
15: (2 - 1) × (8 × 3)
16: 2 × (1 + 8 + 3)
17: 2 × ((1 + 8) + 3)
18: 2 × (1 + (8 + 3))
19: (2 - 1) × 3 × 8
20: ((2 - 1) × 3) × 8
21: (2 - 1) × (3 × 8)
22: 2 × (1 + 3 + 8)
23: 2 × ((1 + 3) + 8)
24: 2 × (1 + (3 + 8))
25: (8 - 2) × (3 + 1)
26: (8 - 2) × (1 + 3)
27: (8 × (2 - 1)) × 3
28: 8 × (2 - 1) × 3
29: 8 × ((2 - 1) × 3)
30: (8 ÷ (2 - 1)) × 3
31: 8 ÷ (2 - 1) × 3
32: 8 ÷ ((2 - 1) ÷ 3)
33: 8 × (3 × (2 - 1))
34: 8 × 3 ×(2 - 1)
35: (8 × 3) × (2 - 1)
36: 8 × (3 ÷ (2 - 1))
37: 8 × 3 ÷(2 - 1)
38: (8 × 3) ÷ (2 - 1)
39: (8 + 3 + 1) × 2
40: ((8 + 3) + 1) × 2
41: (8 + (3 + 1)) × 2
42: 8 ÷ (1 - 2 ÷ 3)
43: 8 ÷ (1 - (2 ÷ 3))
44: (8 + 1 + 3) × 2
45: ((8 + 1) + 3) × 2
46: (8 + (1 + 3)) × 2
47: (3 × (2 - 1)) × 8
48: 3 × (2 - 1) × 8
49: 3 × ((2 - 1) × 8)
50: (3 ÷ (2 - 1)) × 8
51: 3 ÷ (2 - 1) × 8
52: 3 ÷ ((2 - 1) ÷ 8)
53: 3 × (8 × (2 - 1))
54: 3 × 8 ×(2 - 1)
55: (3 × 8) × (2 - 1)
56: 3 × (8 ÷ (2 - 1))
57: 3 × 8 ÷(2 - 1)
58: (3 × 8) ÷ (2 - 1)
59: (3 + 8 + 1) × 2
60: ((3 + 8) + 1) × 2
61: (3 + (8 + 1)) × 2
62: (3 + 1 + 8) × 2
63: ((3 + 1) + 8) × 2
64: (3 + (1 + 8)) × 2
65: (3 + 1) × (8 - 2)
66: (1 + 8 + 3) × 2
67: ((1 + 8) + 3) × 2
68: (1 + (8 + 3)) × 2
69: (1 + 3 + 8) × 2
70: ((1 + 3) + 8) × 2
71: (1 + (3 + 8)) × 2
72: (1 + 3) × (8 - 2)

Answer 2

（2-1）*8*3=24
（8-2）*（1+3）=24
2*（8+1+3）=24

Answer 3

3*8*(2-1)=24

Answer 4

如果可以不按顺序，应该是这样：
(8-2)*(3+1)

Answer 5

(8-2)乘(3+1)

Answer 6

8/[1-(2/3)]