约分:x²-y²/(x-y)²写步骤

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 04:37:24
约分:x²-y²/(x-y)²写步骤

约分:x²-y²/(x-y)²写步骤
约分:x²-y²/(x-y)²写步骤

约分:x²-y²/(x-y)²写步骤
x²-y²/(x-y)²=(x+y)(x-y)/(x-y)²=(x+y)/(x-y)

(x+y)(x-y)/(x-y)^2
(x+y)/(x-y)
不过前提是x不等于y