计算:(x-y)/(x²-2xy+y²)
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/29 14:31:27
计算:(x-y)/(x²-2xy+y²)
计算:(x-y)/(x²-2xy+y²)
计算:(x-y)/(x²-2xy+y²)
后面的可以化成(X-Y)的平方,约去一个(X-Y),得出答案1/(X-Y),X>Y
(x-y)/(x-y)的方
=x-y
计算:(x-y)/(x²-2xy+y²)
计算:(x-y)/(x²-2xy+y²)
计算:(x-y)/(x²-2xy+y²)
后面的可以化成(X-Y)的平方,约去一个(X-Y),得出答案1/(X-Y),X>Y
(x-y)/(x-y)的方
=x-y