1 . 关于
、
的二元线性方程组
的增广矩阵经过变换,最后得到的矩阵为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdf69d50dffe8bdae2580c7e71e5eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26767c2e9097931dc4c0c5cdb23d7b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
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2 . 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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3 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308581988844a2df0a39af695433c87d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308581988844a2df0a39af695433c87d.png)
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4 . 二阶方阵
称矩阵
为A的转置矩阵记作
,设M、N是两个二阶矩阵,对于下列四个结论:(1)
;(2)
;(3)
;(4)
是“
”的充分不必要条件;其中真命题的序号为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef5a391556b93459424c3290723d85c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e85eba90133884a401a05bf194026b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43119d8fbc6109491526b1a2fb7fd5c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae0a6e3e8a6412479765aab95f0cb84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c24758c46e929af55a39db39f84f701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae2eb0c8c6fd1e9f589fdebc68fec9cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c25e2166e930e610667a2e3020e41040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e6cf79926d7ac35864fc0d5eeff08f2.png)
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名校
5 . 计算矩阵乘积:
=________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f94b6855028ff1322421007b986db33.png)
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6 . 三阶行列式
第2行第1列元素的代数余子式为
,则
=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bddffc79910f16e3e2053e40eaf3337b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a94acdfb41489d5694b5a64b9e99754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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7 . 矩阵等式
,则行列式
的值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a6e26acecf8e45aeb6e7dac0f902d9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b29320f184b4027471a2951527457453.png)
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名校
8 . 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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9 . 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
名校
10 . 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)