x²×(-xy³)×y²-x³×y³×(-y)²

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/02 02:14:01

x²×(-xy³)×y²-x³×y³×(-y)²

x²×(-xy³)×y²-x³×y³×(-y)²
= -x^3y^5-x^3y^5
= -2x^3y^5