1 . 已知矩阵
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a375ca77464edc49e7e1473eeb6c1b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68b43ce6a3774527e6cf5a86d49168f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
您最近一年使用:0次
2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308581988844a2df0a39af695433c87d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308581988844a2df0a39af695433c87d.png)
您最近一年使用:0次
3 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b6278954fb58f14075e7ad20170d03.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b6278954fb58f14075e7ad20170d03.png)
您最近一年使用:0次
4 . 矩阵
,
,如果
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c889eba5ca1ca4994cfa47089435d76.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1de47ec43f43216020fd9090006495b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c310436493ed20b948cbcdaf903aab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c889eba5ca1ca4994cfa47089435d76.png)
您最近一年使用:0次
5 . 矩阵
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b56181fd53e8bb9b94853b0d71ad40.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af87867f1de9d1a56a8c39edffcef05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac62d6940800184a6426aacfcb10c297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b56181fd53e8bb9b94853b0d71ad40.png)
您最近一年使用:0次
6 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dfd8e7abcb82dceac14a8099a013d5d.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dfd8e7abcb82dceac14a8099a013d5d.png)
您最近一年使用:0次
7 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eecfcd5a2e87f48092b49384697c4b1.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eecfcd5a2e87f48092b49384697c4b1.png)
您最近一年使用:0次
8 . 方程组
有无穷多解,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59560eeb90fb855e24fc6e75ff139e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
9 . 方程组
有唯一解,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab3fb9d211a836d91d5db5c9d4be8b6.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c0df903fa1be5d3d3aab55783c3c89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab3fb9d211a836d91d5db5c9d4be8b6.png)
您最近一年使用:0次
10 . 若方程组
无解,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ff15c8872c34b760fa9f536c819359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次