5,7,10,7怎样算成24
2个回答
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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)
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)
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