3()3()3()3=8 这道题怎么做

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3()3()3()3=8这道题怎么做3()3()3()3=8这道题怎么做3()3()3()3=8这道题怎么做3×3-3÷3=8

3()3()3()3=8 这道题怎么做
3()3()3()3=8 这道题怎么做

3()3()3()3=8 这道题怎么做
3×3-3÷3=8