1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28859a67da11d6a1d35478fe3d35e55.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b0ef34ebda5d383a6aa17b36c57fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28859a67da11d6a1d35478fe3d35e55.png)
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2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ccd6be8329b1156d8d68669a1016580.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ccd6be8329b1156d8d68669a1016580.png)
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3 . 设
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450406e17a9b33a778e0b3d57d9ac253.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c54634190059fe6151e89ebf51aaa1f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb6a813085af5978b9e0b27cfb1ac40c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450406e17a9b33a778e0b3d57d9ac253.png)
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4 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb946f1a273984baee8eccc87b850c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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5 . 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)
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6 . 把
按第二列展开为____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b559307cfff294f30e78873b80e625e.png)
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7 . 已知
,则
的面积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5664db466f97aa8c09776c12eb72887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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8 . 把
表示成一个三阶行列式为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558113bf256a2e0ddd2dfdcb029308b.png)
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9 . 用对角线法则计算行列式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edbadd739e8caac407ed5efcfe85087.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edbadd739e8caac407ed5efcfe85087.png)
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10 . 函数
的最大值是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4071522bcae6910b92f1a49bca6fe651.png)
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