<p>已知<img src="https://file.gaojiufeng.cn/learnAppQuestion/fc/97/fc97d829781889de29df2c6260aa7bf1.jpg" style="width: 100%;height: auto;">则<img src="https://file.gaojiufeng.cn/learnAppQuestion/46/b4/46b455f0864c7e2642900739b8ab342e.jpg" style="width: 100%;height: auto;">（）.</p>