[(x+y)(x-y)-(x-y)²+2y(x-y)]÷4y

来源：学生作业帮助网编辑：六六作业网时间：2025/02/02 03:18:58

[(x+y)(x-y)-(x-y)²+2y(x-y)]÷4y[(x+y)(x-y)-(x-y)²+2y(x-y)]÷4y[(x+y)(x-y)-(x-y)²+2y(x-y

[(x+y)(x-y)-(x-y)²+2y(x-y)]÷4y
[(x+y)(x-y)-(x-y)²+2y(x-y)]÷4y

[(x+y)(x-y)-(x-y)²+2y(x-y)]÷4y
x-y 这是小学题目么?