7,10,12,12 算24点
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1:(10 - 7) × 12 - 12
2:((10 - 7) × 12) - 12
3:(10 ÷ (12 - 7)) × 12
4:10 ÷ (12 - 7) × 12
5:10 ÷ ((12 - 7) ÷ 12)
6:10 × (12 ÷ (12 - 7))
7:10 × 12 ÷(12 - 7)
8:(10 × 12) ÷ (12 - 7)
9:(12 × (10 - 7)) - 12
10:12 × (10 - 7) - 12
11:12 × (10 ÷ (12 - 7))
12:12 × 10 ÷(12 - 7)
13:(12 × 10) ÷ (12 - 7)
14:(12 ÷ (12 - 7)) × 10
15:12 ÷ (12 - 7) × 10
16:12 ÷ ((12 - 7) ÷ 10)
2:((10 - 7) × 12) - 12
3:(10 ÷ (12 - 7)) × 12
4:10 ÷ (12 - 7) × 12
5:10 ÷ ((12 - 7) ÷ 12)
6:10 × (12 ÷ (12 - 7))
7:10 × 12 ÷(12 - 7)
8:(10 × 12) ÷ (12 - 7)
9:(12 × (10 - 7)) - 12
10:12 × (10 - 7) - 12
11:12 × (10 ÷ (12 - 7))
12:12 × 10 ÷(12 - 7)
13:(12 × 10) ÷ (12 - 7)
14:(12 ÷ (12 - 7)) × 10
15:12 ÷ (12 - 7) × 10
16:12 ÷ ((12 - 7) ÷ 10)
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