[(x²+y²)-(x-y)²+2y(x-y)]÷1/2

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/04 08:45:35

[(x²+y²)-(x-y)²+2y(x-y)]÷1/2
[(x²+y²)-(x-y)²+2y(x-y)]÷1/2

[(x²+y²)-(x-y)²+2y(x-y)]÷1/2