<p>已知矩阵A=<img alt="" width="65" height="65" style="width: 100%;height: auto;" src="https://learnfile.20230611.cn/learnAppQuestion/83/f8/83f843c3d167dea187dc8d694e97d7b0.png"><span style="font-size: 14px;">，B=<img alt="" width="72" height="44" style=" - 线性代数（经管类）(04184)