3377如何算24?
1个回答

1:(3 ÷ 7 + 3) × 7

2:((3 ÷ 7) + 3) × 7

3:(3 + 3 ÷ 7) × 7

4:(3 + (3 ÷ 7)) × 7

5:7 × (3 + 3 ÷ 7)

6:7 × (3 + (3 ÷ 7))

7:7 × (3 ÷ 7 + 3)

8:7 × ((3 ÷ 7) + 3)