<p>Ａ的伴随矩阵<img alt="" width="168" height="110" src="https://learnfile.20230611.cn/learnAppQuestion/d1/c2/d1c244664021146476e87663750ad604.png" style="width: 100%;height: auto;"><img alt="" width="186" height="55" src="https://learnfile.20230611.cn/lea - 线性代数（经管类）(04184)