<p>利用行列式的性质计算行列式：<br><img src="https://learnfile.20230611.cn/learnAppQuestion/8d/4f/8d4f0ccbfcd255fec290b0ee5d10125a.jpg"><br><img src="https://learnfile.20230611.cn/learnAppQuestion/64/a5/64a53a3e661c79accbdb7ec0e0bd4f00.jpg"></p>