3()3()3()3=1道题怎么做

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3()3()3()3=1道题怎么做

3()3()3()3=1道题怎么做
3()3()3()3=1道题怎么做

3()3()3()3=1道题怎么做
3×3÷3÷3=1

3/3+3-3=1

3-3+3÷3=1

3×3÷3÷3=1