计算 (_2x²y³)²×(4xy²)-¹×(2x²y)
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计算 (_2x²y³)²×(4xy²)-¹×(2x²y)
计算 (_2x²y³)²×(4xy²)-¹×(2x²y)
计算 (_2x²y³)²×(4xy²)-¹×(2x²y)
(_2x²y³)²×(4xy²)-¹×(2x²y)=(4x^4y^6)(1/4xy^2)2x^2y=(x^3y^4)2x^2y=x^5y^5.