(x-y)/(x+3y)*(x²+6xy+9y²)/(x²-y²)-2y/(x+y)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 19:35:23

(x-y)/(x+3y)*(x²+6xy+9y²)/(x²-y²)-2y/(x+y)
(x-y)/(x+3y)*(x²+6xy+9y²)/(x²-y²)-2y/(x+y)

(x-y)/(x+3y)*(x²+6xy+9y²)/(x²-y²)-2y/(x+y)
请看链接:
不懂的再追问.

化简?