若函数f(x)是区间上连续双射函数，则f(x)在该区间上严格单调

https://zhidao.baidu.com/question/456179095419295925.html

https://www.zhihu.com/question/341935519/answer/798160451

posted @ 2021-04-09 10:21  stone-stone  阅读(143)  评论(0)  编辑  收藏  举报