给你一个算24点的网站,
1:2 × (4 × (10 - 7))
2:2 × 4 ×(10 - 7)
3:(2 × 4) × (10 - 7)
4:(2 - 10) × (4 - 7)
5:(2 × (10 - 7)) × 4
6:2 × (10 - 7) × 4
7:2 × ((10 - 7) × 4)
8:(4 - 2) × 7 + 10
9:((4 - 2) × 7) + 10
10:4 ÷ 2 × 7 + 10
11:(4 ÷ 2) × 7 + 10
12:(4 ÷ 2 × 7) + 10
13:((4 ÷ 2) × 7) + 10
14:(4 ÷ (2 ÷ 7)) + 10
15:4 ÷ (2 ÷ 7) + 10
16:4 × (2 × (10 - 7))
17:4 × 2 ×(10 - 7)
18:(4 × 2) × (10 - 7)
19:(4 - 7) × (2 - 10)
20:4 × 7 ÷ 2 + 10
21:(4 × 7) ÷ 2 + 10
22:(4 × 7 ÷ 2) + 10
23:((4 × 7) ÷ 2) + 10
24:(4 × (7 ÷ 2)) + 10
25:4 × (7 ÷ 2) + 10
26:(4 × (10 - 7)) × 2
27:4 × (10 - 7) × 2
28:4 × ((10 - 7) × 2)
29:7 ÷ 2 × 4 + 10
30:(7 ÷ 2) × 4 + 10
31:(7 ÷ 2 × 4) + 10
32:((7 ÷ 2) × 4) + 10
33:(7 ÷ (2 ÷ 4)) + 10
34:7 ÷ (2 ÷ 4) + 10
35:(7 × (4 - 2)) + 10
36:7 × (4 - 2) + 10
37:7 × 4 ÷ 2 + 10
38:(7 × 4) ÷ 2 + 10
39:(7 × 4 ÷ 2) + 10
40:((7 × 4) ÷ 2) + 10
41:(7 × (4 ÷ 2)) + 10
42:7 × (4 ÷ 2) + 10
43:(7 - 4) × (10 - 2)
44:10 - (2 - 4) × 7
45:10 - ((2 - 4) × 7)
46:(10 - 2) × (7 - 4)
47:10 + (4 - 2) × 7
48:10 + ((4 - 2) × 7)
49:10 + 4 ÷ 2 × 7
50:10 + (4 ÷ 2) × 7
51:10 + (4 ÷ 2 × 7)
52:10 + ((4 ÷ 2) × 7)
53:10 + (4 ÷ (2 ÷ 7))
54:10 + 4 ÷(2 ÷ 7)
55:10 + 4 × 7 ÷ 2
56:10 + (4 × 7) ÷ 2
57:10 + (4 × 7 ÷ 2)
58:10 + ((4 × 7) ÷ 2)
59:10 + (4 × (7 ÷ 2))
60:10 + 4 ×(7 ÷ 2)
61:10 + 7 ÷ 2 × 4
62:10 + (7 ÷ 2) × 4
63:10 + (7 ÷ 2 × 4)
64:10 + ((7 ÷ 2) × 4)
65:10 + (7 ÷ (2 ÷ 4))
66:10 + 7 ÷(2 ÷ 4)
67:10 - (7 × (2 - 4))
68:10 - 7 ×(2 - 4)
69:(10 - 7) × 2 × 4
70:((10 - 7) × 2) × 4
71:(10 - 7) × (2 × 4)
72:10 + (7 × (4 - 2))
73:10 + 7 ×(4 - 2)
74:10 + 7 × 4 ÷ 2
75:10 + (7 × 4) ÷ 2
76:10 + (7 × 4 ÷ 2)
77:10 + ((7 × 4) ÷ 2)
78:10 + (7 × (4 ÷ 2))
79:10 + 7 ×(4 ÷ 2)
80:(10 - 7) × 4 × 2
81:((10 - 7) × 4) × 2
82:(10 - 7) × (4 × 2)