x²×(-xy³)×y²-x³×y³×(-y)²

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 17:18:48

x²×(-xy³)×y²-x³×y³×(-y)²

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