(a+2/a-2)*(1/a²+2a)最后是等于1/a(a-2),但是为什么分母不是a²-2a呢?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/24 02:19:21
![(a+2/a-2)*(1/a²+2a)最后是等于1/a(a-2),但是为什么分母不是a²-2a呢?](/uploads/image/z/1025018-26-8.jpg?t=%EF%BC%88a%2B2%2Fa-2%EF%BC%89%2A%EF%BC%881%2Fa%26%23178%3B%2B2a%EF%BC%89%E6%9C%80%E5%90%8E%E6%98%AF%E7%AD%89%E4%BA%8E1%2Fa%28a-2%29%2C%E4%BD%86%E6%98%AF%E4%B8%BA%E4%BB%80%E4%B9%88%E5%88%86%E6%AF%8D%E4%B8%8D%E6%98%AFa%26%23178%3B-2a%E5%91%A2%3F)
(a+2/a-2)*(1/a²+2a)最后是等于1/a(a-2),但是为什么分母不是a²-2a呢?
(a+2/a-2)*(1/a²+2a)
最后是等于1/a(a-2),但是为什么分母不是a²-2a呢?
(a+2/a-2)*(1/a²+2a)最后是等于1/a(a-2),但是为什么分母不是a²-2a呢?
a²-2a就等于a(a-2)