计算:(-3x^2y)*(1/3xy^2)=______
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计算:(-3x^2y)*(1/3xy^2)=______计算:(-3x^2y)*(1/3xy^2)=______计算:(-3x^2y)*(1/3xy^2)=______(-3x^2y)*(1/3xy^
计算:(-3x^2y)*(1/3xy^2)=______
计算:(-3x^2y)*(1/3xy^2)=______
计算:(-3x^2y)*(1/3xy^2)=______
(-3x^2y)*(1/3xy^2)=-x³y³
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