> 数学 >
化简(x^2+xy)\(x^2-xy)÷(x+y)÷(-xy)\(y^2-xy)的结果是?
人气:207 ℃ 时间:2020-05-26 18:59:20
解答
(x^2+xy)\(x^2-xy)÷(x+y)÷(-xy)\(y^2-xy)
=x(x+y)/x(x-y)×1/(x+y)×y(x-y)/xy
=1/x
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版