名校
1 . 设全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/282e995abdf2a7a0be290f9538359968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5db13b0d326e5d1304177f0439c679e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35cc4f4fd18f6e23987a7ff500f1b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-04更新
|
490次组卷
|
3卷引用:湖南省长沙市明德中学2023-2024学年高二下学期5月阶段性考试数学试题
名校
2 . 为维护市场秩序,保护消费者权益,在“五一”假期来临之际,我市物价部门对某商品在5家商场的售价
(元)及其一天的销售量
(件)进行调查,得到五对数据
,经过分析、计算,得
,
关于
的经验回归方程为
,则相应于点
的残差为( )
![](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/25d887c53d4a380f501a5ebf7cea9d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d789234eea76afb5606dcf70aa1b7e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62fb764309d5a7af0ae6912b84159086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e02c37cdd28a37350ff29c14d951cc.png)
A.![]() | B.1 | C.![]() | D.3 |
您最近一年使用:0次
2024-06-04更新
|
1158次组卷
|
3卷引用:湖南省长沙市明德中学2023-2024学年高二下学期5月阶段性考试数学试题
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3 . 已知数列
与
均为等差数列
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd21f4cb498101d26b4aaa2e1a6addc.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3f1b74617dd38886e52ea07ab0032d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b80647ce19a9cccdceb73d88f5432282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f966272f7781790ff27e40db6b525253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd21f4cb498101d26b4aaa2e1a6addc.png)
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解题方法
4 . 已知函数
(
且
)为奇函数.
(1)求实数
的值;
(2)若
,求函数
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8788e0cbf25b5b7ab437952fc1e7315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c30e01790ac61851c453cbef2d5245d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解题方法
5 . 在空间四边形ABCD中,
分别是AB,CD的中点,
,则异面直线AD与BC所成角的大小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9c80b1105f4f091d2095d8ffc76be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2e6618b5423b14a547cd06a2118b62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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6 . 在
中,
,
,则
外接圆的半径为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1466856bf2570685d3629c1f813748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffc2817fa590affb5a760a25dc65308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.1 | C.2 | D.3 |
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解题方法
7 .
,
是两条不同的直线,
是两个不同的平面,下列命题中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
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8 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dedc0a0919180f00e041052e3d045a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e0a1dec5888399931e19862d0160ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-06-04更新
|
626次组卷
|
2卷引用:湖南省长沙市长郡中学2024届高三下学期模拟(三)数学试题
名校
9 . 设
是复数,则下列命题中是真命题的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
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解题方法
10 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccdc4e2bd8b6ed4e64828b62286ede1.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e072eb0439a5e5b430cd55a129374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18f74d9cabc60e7bdbc83c99a293c7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccdc4e2bd8b6ed4e64828b62286ede1.png)
您最近一年使用:0次