化简求值(x²+y²)(x²-y²)-(x+y)²(x-y)²,其中x=4,y=1

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/17 23:15:08

化简求值(x²+y²)(x²-y²)-(x+y)²(x-y)²,其中x=4,y=1
化简求值(x²+y²)(x²-y²)-(x+y)²(x-y)²,其中x=4,y=1

化简求值(x²+y²)(x²-y²)-(x+y)²(x-y)²,其中x=4,y=1