名校
解题方法
1 . 已知
是单位向量,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f275a75246b5be5cf179f81267d53f1.png)
在
上的投影向量为
,则
与
的夹角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc64abe49847ade9b78678ba1f8e0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f275a75246b5be5cf179f81267d53f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169143072a2c2a0ea7062d65735de1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc64abe49847ade9b78678ba1f8e0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a250997f723ab4ccff9d91e0d810fed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc64abe49847ade9b78678ba1f8e0e2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7日内更新
|
303次组卷
|
5卷引用:广东省深圳市深圳中学2024届高三二轮四阶测试数学试题
(已下线)广东省深圳市深圳中学2024届高三二轮四阶测试数学试题湖北省新高考联考协作体2024届高三下学期2月收心考试数学试题(已下线)6.2.4 向量的数量积——课后作业(提升版)江苏省无锡市辅仁高级中学2023-2024学年高一下学期期中考试数学试题江苏省无锡市辅仁高级中学2023-2024学年高二下学期期中考试数学试题
2 . 设集合
,集合
,
,
满足
且
,那么满足条件的集合A的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b571ecde2ea892a129b9179640276d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d020cd453031ae9eede7961ec78f21a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952f1e0ce5bd53a6d5e8bb07ea2da5f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c14d9ae06f864498048d55088ff4e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29719d33af813b84dae0191ae5c92a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55614e508dc9a21fe4221b924d40fe03.png)
A.120 | B.119 | C.20 | D.19 |
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3 . 已知数列
,则数列
前9项的下四分位数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec7510dc49bea69b5961573297f1289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
A.1 | B.![]() | C.0 | D.![]() |
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名校
解题方法
4 . 记
的内角
的对边分别为
,已知
,若
为锐角三角形,则角
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddd96f60aa7619a80486b98e255cf3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 若将向量
,绕原点O逆时针方向旋转
得到
,则
的坐标是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361f75e052fc6673f24fedc8d04c3593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231b861d6d1f1d0b9f52b041cb40eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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6 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c42eff44b9d88af44a0f5f22e821e57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e9dbec389b6631b3c910137cfa394a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd0c4a59c347bf9757111557348e86f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fabeb7d644a667ff32aafc854a33dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a261d047846fd4e50f47ac723c6030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-12更新
|
420次组卷
|
4卷引用:广东省茂名市信宜市第二中学2023-2024学年高一下学期5月月考数学试题
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9 . 已知某函数的部分图象如图所示,则下列函数中符合此图象的为( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-06-11更新
|
1379次组卷
|
3卷引用:2024届广东省三模数学试题
名校
10 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d639a1c5fb9f1352d3d8830d821c4e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe81c68476c560313bde5dfa0343b02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次