<p>设矩阵 <img src="https://learnfile.20230611.cn/learnAppQuestion/3d/31/3d31f83f0aaf5e8b2ece439712c937ca.jpg" style="width: 100%;height: auto;"><img src="https://learnfile.20230611.cn/learnAppQuestion/2b/b0/2bb0a0cebb11c643a7614a3ea530ce07.jpg" style=" - 线性代数（经管类）(04184)