算术:两个3两个7用加减乘除算出来等于24,3和7只能用一次
2014-12-22
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1: (3 3 ÷ 7) × 7
2: (3 (3 ÷ 7)) × 7
3: (3 ÷ 7 3) × 7
4: ((3 ÷ 7) 3) × 7
5: 7 × (3 3 ÷ 7)
6: 7 × (3 (3 ÷ 7))
7: 7 × (3 ÷ 7 3)
8: 7 × ((3 ÷ 7) 3)
2: (3 (3 ÷ 7)) × 7
3: (3 ÷ 7 3) × 7
4: ((3 ÷ 7) 3) × 7
5: 7 × (3 3 ÷ 7)
6: 7 × (3 (3 ÷ 7))
7: 7 × (3 ÷ 7 3)
8: 7 × ((3 ÷ 7) 3)
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2013-03-30
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1: (3 + 3 ÷ 7) × 7
2: (3 + (3 ÷ 7)) × 7
3: (3 ÷ 7 + 3) × 7
4: ((3 ÷ 7) + 3) × 7
5: 7 × (3 + 3 ÷ 7)
6: 7 × (3 + (3 ÷ 7))
7: 7 × (3 ÷ 7 + 3)
8: 7 × ((3 ÷ 7) + 3)
2: (3 + (3 ÷ 7)) × 7
3: (3 ÷ 7 + 3) × 7
4: ((3 ÷ 7) + 3) × 7
5: 7 × (3 + 3 ÷ 7)
6: 7 × (3 + (3 ÷ 7))
7: 7 × (3 ÷ 7 + 3)
8: 7 × ((3 ÷ 7) + 3)
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(3+3/7)*7
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