1 . 若
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8bb135a3dce94ad7e096125c558f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acff9e018c7c4fe86a925669aef8c3cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4deef4b0c87148779c115f2bc889e76e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b9628add5c8c3798d91b0da6e74f12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
您最近一年使用:0次
2 . 方程
的实数解是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3f93235aae48f63edcd7622973c243.png)
您最近一年使用:0次
3 . 设
,计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05dcd0b803c5b77cd73add9eb136ad5c.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af26da329d5a2f07875856b3529952e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05dcd0b803c5b77cd73add9eb136ad5c.png)
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4 . 二元一次方程组
的增广矩阵是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e908e2b974a6b2b9ceb52dde798d6aa8.png)
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5 . 方程组
,它的系数行列式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6d85799453899836bc34ad276ec80e.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eec97b69fe05e18829949f545e6b3a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6d85799453899836bc34ad276ec80e.png)
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名校
6 . 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/d865edf717e5d45f5fe28260f91b3295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2020-06-26更新
|
93次组卷
|
2卷引用:沪教版(上海) 高二第一学期 新高考辅导与训练 第9章 矩阵和行列式初步 9.4(2)三阶行列式
7 . 已知矩阵
,
,若
,则矩阵![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b8b8f0c729dba1697e8b53fcf5669b1.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42dec82d1d9a3187a6c714c8c415ea73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ccd4ffd522695254b539355f405464.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31bd20786cec41dbee6318605736e83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b8b8f0c729dba1697e8b53fcf5669b1.png)
您最近一年使用:0次
8 . 已知矩阵
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e54d782c4f5ac398acccfbd1ce3ff4.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea29a03c1010dd728e933331abd062b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d024f0fc7981e44ec6070963f9e5499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e54d782c4f5ac398acccfbd1ce3ff4.png)
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9 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8647b84bfbc7d827f56be74888b9fdb6.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1529d335430b653fc3e7d3429214941f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2db870c3f899bb4cf056c4a9f08123b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8647b84bfbc7d827f56be74888b9fdb6.png)
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10 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11bb5a9abe1b0cd5c45ab162fa2ba52.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dfd4c050865eabb6bfc7af04473b354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6cc288e57444d305286c8d6401e629.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11bb5a9abe1b0cd5c45ab162fa2ba52.png)
您最近一年使用:0次