9 7 5 10怎么等于24?

问题描述:

9 7 5 10怎么等于24?
1个回答 分类:数学 2014-10-19

问题解答:

我来补答
1:9 - (7 - 10) × 5
2:9 - ((7 - 10) × 5)
3:9 - (5 × (7 - 10))
4:9 - 5 ×(7 - 10)
5:9 + (5 × (10 - 7))
6:9 + 5 ×(10 - 7)
7:9 + (10 - 7) × 5
8:9 + ((10 - 7) × 5)
9:(5 × (10 - 7)) + 9
10:5 × (10 - 7) + 9
11:(10 - 7) × 5 + 9
12:((10 - 7) × 5) + 9
 
 
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