用3.3.7.7四个数,算24,怎么算?

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用3.3.7.7四个数,算24,怎么算?

用3.3.7.7四个数,算24,怎么算?
用3.3.7.7四个数,算24,怎么算?

用3.3.7.7四个数,算24,怎么算?
(3+3÷7)×7=24

(3+3/7)*7

(3+3÷7)×7

(3+3/7)*7=24

7*(3/7+3)

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)