(x-y)³-(y-x)² 怎么写
2个回答
展开全部
(x-y)³-(y-x)²
=(x-y)^3-(x-y)^2
=(x-y)(x-y)^2-(x-y)^2
=(x-y-1)(x-y)^2
=(x-y)^3-(x-y)^2
=(x-y)(x-y)^2-(x-y)^2
=(x-y-1)(x-y)^2
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询