24点游戏 13, 10, 2 ,9daan

13 + 10 × 2 - 9
2: (13 + 10 × 2) - 9
3: (13 + (10 × 2)) - 9
4: 13 + (10 × 2) - 9
5: 13 + (10 × 2 - 9)
6: 13 + ((10 × 2) - 9)
7: (13 - 10 + 9) × 2
8: ((13 - 10) + 9) × 2
9: (13 - (10 - 9)) × 2
10: 13 + 2 × 10 - 9
11: (13 + 2 × 10) - 9
12: (13 + (2 × 10)) - 9
13: 13 + (2 × 10) - 9
14: 13 + (2 × 10 - 9)
15: 13 + ((2 × 10) - 9)
16: (13 + 9 - 10) × 2
17: ((13 + 9) - 10) × 2
18: (13 + (9 - 10)) × 2
19: 13 - 9 + 10 × 2
20: (13 - 9) + 10 × 2
21: 13 - 9 +(10 × 2)
22: (13 - 9) + (10 × 2)
23: 13 - (9 - 10 × 2)
24: 13 - (9 - (10 × 2))
25: 13 - 9 + 2 × 10
26: (13 - 9) + 2 × 10
27: 13 - 9 +(2 × 10)
28: (13 - 9) + (2 × 10)
29: 13 - (9 - 2 × 10)
30: 13 - (9 - (2 × 10))
31: 10 × 2 + 13 - 9
32: (10 × 2) + 13 - 9
33: (10 × 2 + 13) - 9
34: ((10 × 2) + 13) - 9
35: 10 × 2 +(13 - 9)
36: (10 × 2) + (