<p>设 <img src="https://file.gaojiufeng.cn/learnAppQuestion/b9/9f/b99fc0a90381ce6669a28e9ca4620283.jpg" style="width: 100%;height: auto;">是由方程<img src="https://file.gaojiufeng.cn/learnAppQuestion/8e/9f/8e9fb1136ea89230253b5f520ecfe931.jpg" style="width: 100%;height: auto;"> 所确定的隐函数，求偏导数<img src="https://file.gaojiufeng.cn/learnAppQuestion/54/56/5456d5d132d1a26c634dd00f2dbd5ef3.jpg" style="width: 100%;height: auto;"></p>