<p>计算定积分<img src="https://learnfile.20230611.cn/learnAppQuestion/34/fc/34fc404dcb29b951fa246808aed143b8.jpg" style="width: 100%;height: auto;">其中<img src="https://learnfile.20230611.cn/learnAppQuestion/da/ed/daed41a0cd5668509ec7409c58b430f4.jpg" styl