(x根号y-y根号x)除以根号xy现在就要!
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 16:05:18
![(x根号y-y根号x)除以根号xy现在就要!](/uploads/image/z/6130793-65-3.jpg?t=%28x%E6%A0%B9%E5%8F%B7y-y%E6%A0%B9%E5%8F%B7x%EF%BC%89%E9%99%A4%E4%BB%A5%E6%A0%B9%E5%8F%B7xy%E7%8E%B0%E5%9C%A8%E5%B0%B1%E8%A6%81%21)
(x根号y-y根号x)除以根号xy现在就要!
(x根号y-y根号x)除以根号xy
现在就要!
(x根号y-y根号x)除以根号xy现在就要!
(x根号y-y根号x)除以根号xy
=根号(x^2y-根号(xy^2) / 根号(xy)
=根号[(x^2y)/(xy)] - 根号[(xy^2)/(xy)]
=根号x - 根号y
=√x-√y
根号x-根号y
=0
方便
(x根号y-y根号x)除以根号xy =根号x-根号y