对于函数http://www.z4a.net/images/2020/12/22/fx.png,若其在区间http://www.z4a.net/images/2020/12/22/ab.png上连续且有极大值http://www.z4a.net/images/2020/12/22/fm.png和极小值http://www.z4a.net/images/2020/12/22/fn.png,
则有http://www.z4a.net/images/2020/12/22/6fa72a14cde2321f7de809802deec9ac.png”这样子:SS01:
右键粘贴纯文本