5,9,2,10算24点5,9,2,10算24点（要至少10种解法）

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5,9,2,10的24点答案：
1:9 - 5 + 2 × 10
2:(9 - 5) + 2 × 10
3:9 - 5 +(2 × 10)
4:(9 - 5) + (2 × 10)
5:9 - (5 - 2 × 10)
6:9 - (5 - (2 × 10))
7:9 - 5 + 10 × 2
8:(9 - 5) + 10 × 2
9:9 - 5 +(10 × 2)
10:(9 - 5) + (10 × 2)
11:9 - (5 - 10 × 2)
12:9 - (5 - (10 × 2))
13:9 + 2 × 10 - 5
14:(9 + 2 × 10) - 5
15:(9 + (2 × 10)) - 5
16:9 + (2 × 10) - 5
17:9 + (2 × 10 - 5)
18:9 + ((2 × 10) - 5)
19:9 + 10 × 2 - 5
20:(9 + 10 × 2) - 5
21:(9 + (10 × 2)) - 5
22:9 + (10 × 2) - 5
23:9 + (10 × 2 - 5)
24:9 + ((10 × 2) - 5)
25:2 × 10 - 5 + 9
26:(2 × 10) - 5 + 9
27:(2 × 10 - 5) + 9
28:((2 × 10) - 5) + 9
29:2 × 10 -(5 - 9)
30:(2 × 10) - (5 - 9)
31:2 × 10 + 9 - 5
32:(2 × 10) + 9 - 5
33:(2 × 10 + 9) - 5
34:((2 × 10) + 9) - 5
35:2 × 10 +(9 - 5)
36:(2 × 10) + (9 - 5)
37:10 × 2 - 5 + 9
38:(10 × 2) - 5 + 9
39:(10 × 2 - 5) + 9
40:((10 × 2) - 5) + 9
41:10 × 2 -(5 - 9)
42:(10 × 2) - (5 - 9)43:10 × 2 + 9 - 544:(10 × 2) + 9 - 545:(10 × 2 + 9) - 546:((10 × 2) + 9) - 547:10 × 2 +(9 - 5)48:(10 × 2) + (9 - 5)======以下答案可供参考======供参考答案1:2*10+9-5=24 我不知道还有别的什么算法了