2 7 12 13 求24点题目

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2 7 12 13 求24点题目
2 7 12 13 求24点题目

2 7 12 13 求24点题目
13-7=6
2*6+12=24

1: (2 × (13 - 7)) + 12
2: 2 × (13 - 7) + 12
3: 12 - (2 × (7 - 13))
4: 12 - 2 ×(7 - 13)
5: 12 + (2 × (13 - 7))
6: 12 + 2 ×(13 - 7)
7: 12 - (7 - 13) × 2
8: 12 - ((7 -...

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1: (2 × (13 - 7)) + 12
2: 2 × (13 - 7) + 12
3: 12 - (2 × (7 - 13))
4: 12 - 2 ×(7 - 13)
5: 12 + (2 × (13 - 7))
6: 12 + 2 ×(13 - 7)
7: 12 - (7 - 13) × 2
8: 12 - ((7 - 13) × 2)
9: 12 ÷ (7 - 13 ÷ 2)
10: 12 ÷ (7 - (13 ÷ 2))
11: 12 + (13 - 7) × 2
12: 12 + ((13 - 7) × 2)
13: (13 - 7) × 2 + 12
14: ((13 - 7) × 2) + 12

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