用3,5,J,7四个数算24点
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用3,5,J,7四个数算24点
![用3,5,J,7四个数算24点](/uploads/image/z/15179293-37-3.jpg?t=%E7%94%A83%2C5%2CJ%2C7%E5%9B%9B%E4%B8%AA%E6%95%B0%E7%AE%9724%E7%82%B9)
1: (3 - 7) × (5 - J)
2: (5 - J) × (3 - 7)
3: (J - 5) × (7 - 3)
4: (J × 7 - 5) ÷ 3
5: ((J × 7) - 5) ÷ 3
6: (7 - 3) × (J - 5)
7: (7 × J - 5) ÷ 3
8: ((7 × J) - 5) ÷ 3
2: (5 - J) × (3 - 7)
3: (J - 5) × (7 - 3)
4: (J × 7 - 5) ÷ 3
5: ((J × 7) - 5) ÷ 3
6: (7 - 3) × (J - 5)
7: (7 × J - 5) ÷ 3
8: ((7 × J) - 5) ÷ 3