2014·河南郑州·一模
1 . 定义行列式运算
,将函数
的图象向左平移t(t>0)个单位,所得图象对应的函数为奇函数,则t的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8762f73d7624595a21b3c23643a0d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613d00247501576b9920e35d79885060.png)
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2 . 已知矩阵A![](https://img.xkw.com/dksih/QBM/2015/3/6/1571993255559168/1571993261367296/STEM/75a8ce04b70245ad8623c18821a34cb5.png?resizew=69)
且
,则x+y=__________ .
![](https://img.xkw.com/dksih/QBM/2015/3/6/1571993255559168/1571993261367296/STEM/75a8ce04b70245ad8623c18821a34cb5.png?resizew=69)
![](https://img.xkw.com/dksih/QBM/2015/3/6/1571993255559168/1571993261367296/STEM/74f67d843c3047418658c5b27609f4a7.png?resizew=12)
![](https://img.xkw.com/dksih/QBM/2015/3/6/1571993255559168/1571993261367296/STEM/6bedc595de344daab382296fa3cbdd38.png?resizew=80)
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名校
3 . 若三阶行列式
中第1行第2列的元素3的代数余子式的值是
,则
(其中
是虚数单位,
)的值是_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ab4915342c0ba031409be83d04249e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91498d22fa9e1bae4ee8399259d9cfd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8159731544ad7ab88d835dd29090a80d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f9a37b52f61c9e003f108a0be3a68d.png)
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2016-12-03更新
|
365次组卷
|
3卷引用:2015届上海市黄浦区高三上学期期终调研测试理科数学试卷
4 . 设△
的内角
,
,
所对的边长分别为
,
,
,若
,则角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a378bf01e6451ba18fb9242a4db741ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
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2014·上海松江·三模
名校
5 . 函数
的最小正周期为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa57da22fb4be1219cd466ba3b19a034.png)
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6 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8fd5854e89b9246eb6e745cee228889.png)
______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4ab52394b362aca22e02c5e8737ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8fd5854e89b9246eb6e745cee228889.png)
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2016-12-03更新
|
780次组卷
|
6卷引用:2014届上海市闵行区高三三模冲刺理科数学试卷
(已下线)2014届上海市闵行区高三三模冲刺理科数学试卷(已下线)2014届上海市闵行区高三三模冲刺文科数学试卷上海市罗店中学2018-2019学年高三上学期期中数学试题2016届上海市杨浦区控江中学高三下学期5月毕业考试(理)数学试题2016届上海市杨浦区控江中学高三下学期5月毕业考试(文)数学试题上海市奉贤区曙光中学2022届高三上学期12月月考数学试题
14-15高三上·上海·期末
7 . 已知
当
时,函数
的最小值为-4,则t的取值范围是______
![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461801984/STEM/9fc2f2ab23e74e6ba09ff1792707c223.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461801984/STEM/e6649c57404f44cd9c87811ecdd321a8.png?resizew=85)
![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461801984/STEM/acb83a69db69445687d038a23a63bd33.png?resizew=69)
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14-15高三上·上海·期末
8 . 若关于x,y的线性方程组的增广矩阵为![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461523456/STEM/3f97c2054f614165bbb15b45b4c2398c.png?resizew=7)
,该方程组的解为
,则mn的值等于_______
![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461523456/STEM/3f97c2054f614165bbb15b45b4c2398c.png?resizew=7)
![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461523456/STEM/eb79c9c15a934a7cb68898e3fb5d7a51.png?resizew=78)
![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461523456/STEM/af92eeff079d48acbd0da5352dc11867.png?resizew=78)
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14-15高三上·上海黄浦·期末
9 . 各项都为正数的无穷等比数列
,满足
且
是增广矩阵
的线性方程组
的解,则无穷等比数列
各项和的数值是 _________ .
![](https://img.xkw.com/dksih/QBM/2014/2/21/1571520137838592/1571520142843904/STEM/051bb0cbf8fd46ffb88cebf6613d8e6a.png?resizew=32)
![](https://img.xkw.com/dksih/QBM/2014/2/21/1571520137838592/1571520142843904/STEM/cce874b90312420db2e4721acd2b54da.png?resizew=107)
![](https://img.xkw.com/dksih/QBM/2014/2/21/1571520137838592/1571520142843904/STEM/cd304710c1d44d4fb8ab0a775b8fa8b4.png?resizew=54)
![](https://img.xkw.com/dksih/QBM/2014/2/21/1571520137838592/1571520142843904/STEM/1e21afc50e29468bac0a7e73f9dc8744.png?resizew=91)
![](https://img.xkw.com/dksih/QBM/2014/2/21/1571520137838592/1571520142843904/STEM/942631731cf1409b8115ea7e01f05959.png?resizew=112)
![](https://img.xkw.com/dksih/QBM/2014/2/21/1571520137838592/1571520142843904/STEM/0339f15b6529493e98a963b4dee5e02d.png?resizew=31)
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