利用行列式解下列方程组:
(1)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb3514b340beb8f80f777434fe44dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df433e7619c87cc589af5466630fd360.png)
更新时间:2020-06-26 10:49:54
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【知识点】 计算三阶行列式