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1 . 若
,(
为虚数单位),则复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093674d4de31fbcb44d09f548a1b5444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
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2 . 若三条直线
,
和
相交于一点,则行列式
的值为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f3229bce299cb5239d1e26e570b874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6274852e643a635e7340efa732edddc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04eed461026f69fe9ab2c5dc12af8ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4bec9be3ec9f20227eb24cf3a8ac2d.png)
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2020-02-10更新
|
95次组卷
|
2卷引用:2016届上海市徐汇区高三上学期期末学习能力诊断(文)数学试题
3 . 若行列式
中,元素1的代数余子式的值大于0,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cfa71f7355dcb6f020be15fd4d1a0c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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4 . 已知
、
,函数
的最小正周期为
,将
的图象向左平移
个单位,所得图象对应的函数为偶函数,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859e586914f648d799666dbfbe330066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2020-02-02更新
|
232次组卷
|
4卷引用:2016届上海市宝山区高三上学期期末教学质量监测数学试题
2016届上海市宝山区高三上学期期末教学质量监测数学试题2016届上海市宝山区高考一模数学试题上海市第二中学2017届高三上学期9月初态测试数学试题(已下线)课时29 二、三阶行列式-2022年高考数学一轮复习小题多维练(上海专用)
5 . 行列式
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a38168551e1374deeb1b54591b624172.png)
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2020-02-02更新
|
98次组卷
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2卷引用:2016届上海市虹口区高考一模数学试题
6 . 方程组
的增广矩阵是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe78cd0f2960f70e982d903a47d97478.png)
您最近一年使用:0次
7 . 已知
是虚数单位,
是复数
的共轭复数,若
,则
在复平面内所对应的点所在的象限为第________ 象限.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0c2f978b8ec6a7d1c8f17bfa81d1cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220f6c1e8ecbff17389cbc370b6ac035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0c2f978b8ec6a7d1c8f17bfa81d1cd.png)
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8 . 在
行
列矩阵
中,若记位于第
行第
列的数为
,则当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cb9ed76cdc491ccafa82644fd6e35a.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f91ffc90537600d1af85f12f33d1b1d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae4ba04f03a5ea1f60a340038c1bfec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5b1672953164c806fee8e7d6d8336c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cb9ed76cdc491ccafa82644fd6e35a.png)
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9 . 增广矩阵
的二元一次方程组的解为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47690003cdbe465e64a96cb6fa6d4432.png)
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10 . 设线性方程组的增广矩阵为
,解为
,则三阶行列式
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5939e74bf78e642a0d14d9925fd3d66f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c15cf54428b10f1a4a0be22fe0192b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3c6eb5bcedd2af1b18cfc1e3d84762.png)
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2020-01-10更新
|
93次组卷
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2卷引用:上海市宝山区2015-2016学年高二上学期期末教学质量监测数学试题