作业帮\"5 7 10 7\"怎么巧算24点?
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\"5 7 10 7\"怎么巧算24点?
\"5 7 10 7\"怎么巧算24点?
\"5 7 10 7\"怎么巧算24点?
1:(7 - 5) × 7 + 10
2:((7 - 5) × 7) + 10
3:(7 × (7 - 5)) + 10
4:7 × (7 - 5) + 10
5:10 - (5 - 7) × 7
6:10 - ((5 - 7) × 7)
7:10 + (7 - 5) × 7
8:10 + ((7 - 5) × 7)
9:10 - (7 × (5 - 7))
10:10 - 7 ×(5 - 7)
11:10 + (7 × (7 - 5))
12:10 + 7 ×(7 - 5)