<p>设函数<img src="https://learnfile.20230611.cn/learnAppQuestion/a5/8f/a58fc2b60f4c7e58f130aef9aac6638f.jpg" style="width: 100%;height: auto;"> 在区间 <img src="https://learnfile.20230611.cn/learnAppQuestion/69/b6/69b6b88fca505638cf0d21afa91e112a.jpg" sty