算24点10,4,5,2

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

2*5+10+4

10+4+5*2=24