1 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b84fa1487edf1b2bb4f0091f3a32e58.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f952be9744b877422aaf7caf95c6d991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66cc239e16520720a0f89ddd8853f453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b84fa1487edf1b2bb4f0091f3a32e58.png)
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2 . 已知矩阵
,A的逆矩阵
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/312f71b1bf968ca235e29e66b7f1e08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e8a223672608a44cc54be309747ac00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a335fc7c2c46946f0bf908c78bcc46fa.png)
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名校
3 .
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6826e19f6aa75d2cb11802417a7b5753.png)
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名校
4 . 若行列式
中
,元素
的代数余子式大于
,则
满足的条件是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5c9ff62c4b13609a83efbf5f45a1440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ecd5e9507fb67e9d4528586a7461939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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5 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b6278954fb58f14075e7ad20170d03.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b6278954fb58f14075e7ad20170d03.png)
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6 . 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)
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7 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eecfcd5a2e87f48092b49384697c4b1.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eecfcd5a2e87f48092b49384697c4b1.png)
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11-12高二·上海·期末
8 . 增广矩阵为
的线性方程组的解为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08cf783d11394da34970de9f3a2343fc.png)
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