<p>设函数<img src="https://learnfile.20230611.cn/learnAppQuestion/45/53/4553e74f3a81a42a4f77a1b2552ea39c.jpg" style="width: 100%;height: auto;">，计算定积分<img src="https://learnfile.20230611.cn/learnAppQuestion/f1/39/f13958e8a4704b1341d9ae699d8e1465.jpg" st