(1/2x²y-2xy+y²)×3xy

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/02 12:37:39

(1/2x²y-2xy+y²)×3xy

(1/2x²y-2xy+y²)×3xy
=3/2x³y²-6x²y²+3xy³