化简(3/2x²+xy-3/5y²)×(-4/3x²y²)

来源：学生作业学帮网编辑：学帮网时间：2024/05/13 17:03:39

(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