3 3 7 7(两个3和两个7) 怎样加减剩除等于24?

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3 3 7 7(两个3和两个7) 怎样加减剩除等于24?
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3 3 7 7(两个3和两个7) 怎样加减剩除等于24?
3 3 7 7(两个3和两个7) 怎样加减剩除等于24?

3 3 7 7(两个3和两个7) 怎样加减剩除等于24?
7×(3+3÷7)=24

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)

(3/7+3)*7