解题方法
1 . 已知正方形ABCD的四个顶点都在椭圆上,且椭圆的两个焦点分别为边AD和BC的中点,则该椭圆的离心率为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知随机变量
的分布列如下表:
若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![]() | -1 | 0 | 1 | 2 |
![]() | ![]() | ![]() | ![]() | ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1f3b71d8babd838c40d0c8ca883548.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
3 .
是
内一点,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2239bd932c3e449b8179fbfa9a426478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932979fbd93c8f58f804a448d4a4983c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7日内更新
|
592次组卷
|
6卷引用:广西重点高中2023-2024学年高一下学期5月阶段性联合调研考试数学试题
解题方法
4 . 已知向量
满足
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b901cc29a51575d40f331c7b9b1e696f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d1bf71b1d804287e0bc08fffb7c72c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cfe95f520c7b454ceabb2ae9af0a87.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知复数
,
,
,则下列说法中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a67a742d2a43e907fb1c3a1bdf1d6a9.png)
A.若![]() ![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
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解题方法
6 . 已知平面向量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81555ce9f28be09335ce1f7d56cc58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e5ba67828c57daf2edb497fb52e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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解题方法
7 . 函数
在
上的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37afa854716507fca59b6210f79ed59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97ab84192e12bb292bc9fbd0b29fbee.png)
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8 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/153d8b9d8287f460eb0e5d083d49e095.png)
A.![]() | B.0 | C.![]() | D.![]() |
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9 . 函数
在
处的导数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26a335e84277c46141f7f8b16347bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a945357aa4d7cb2bd48c28af862a3078.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c827ecdfcc994b20c134f3fa2eb0691b.png)
A.1 | B.2 | C.3 | D.4 |
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解题方法
10 . 已知三棱锥
的所有棱长均为
,球
为三棱锥
的外接球,则球
的体积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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