(3/2x方+xy-3/5y方)*(-4/3x方y方)

题目详情

▼优质解答

答案和解析

(3/2x²+xy-3/5y²)×(-4/3x²y²)
=3/2x²*（-4/3x²y²）+xy*(-4/3x²y²)-3/5y²*(-4/3x²y²)
= -2x^4y^2-4/3x^3y^3+4/5x^2y^4

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