> 数学 >
(x-y)³(x-y)²(y-x)等于多少
人气:485 ℃ 时间:2020-02-15 12:39:21
解答
(x-y)³(x-y)²(y-x)
=-(x-y)³(x-y)²(x-y)
=-(x-y)³+2+1
=-(x-y)^6
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版