1 . 解矩阵方程
,其中
为矩阵.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9cc96ee882fcd887b30b48d2cbce79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
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2 . 已知矩阵
,矩阵
.若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1bcf191ba1227a50a05937f0c00b808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1aa97f7b970480584684dd44883e8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2264c134952d41fb9bcb90e6c72c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
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3 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d16d2911ce887bb62dc5c07a8aa5a08.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d16d2911ce887bb62dc5c07a8aa5a08.png)
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4 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97aaefa97408c2847f8574692263c833.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97aaefa97408c2847f8574692263c833.png)
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2019-11-11更新
|
62次组卷
|
2卷引用:沪教版 高二年级第一学期 领航者 第九章 单元测试卷
5 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfd4f6dbe9904da8fce7b7ed269f66a.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfd4f6dbe9904da8fce7b7ed269f66a.png)
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6 . 甲、乙、丙三位同学语文、数学、外语三门课的平时、期中、期末成绩如下表所示,如果总评成绩按平时
、期中
、期末
计算,试用矩阵方法求出这三位同学每门课的总评成绩.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23466fd31d0666cb9f65dced41188359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4ec5b9d2f5dbd6ec1cac34dbd8e547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc00118b6316f277160328cf6a27a5e.png)
语文 | 数学 | 外语 | |||||||
平时 | 期中 | 期末 | 平时 | 期中 | 期末 | 平时 | 期中 | 期末 | |
甲 | |||||||||
乙 | |||||||||
丙 |
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7 . 已知
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d1578ca69c499a25df59f24a4f213dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c54b0a49c3a554ce899536b1bb3dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99639f7163f03c0d33d3f045b2d38cd.png)
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8 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b6278954fb58f14075e7ad20170d03.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b6278954fb58f14075e7ad20170d03.png)
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9 . 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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10 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dfd8e7abcb82dceac14a8099a013d5d.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dfd8e7abcb82dceac14a8099a013d5d.png)
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