名校
1 . 已知集合
,若“
”是“
”的充要条件,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc0982d002a381b91be1f775a40d5ae.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8723077870d8ad10b44c2bb53e2b4124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc0982d002a381b91be1f775a40d5ae.png)
您最近一年使用:0次
名校
解题方法
2 . 已知随机变量
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c646e0cbc38ccf348554456d4792e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc23dc1709498e8920d7d243213190b2.png)
A.![]() | B.![]() | C.1 | D.2 |
您最近一年使用:0次
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解题方法
3 . 已知随机变量
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c1ed67167078ea4f5f1ee53ee14164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4864bd90e67dbef62aa023e60bf58e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93b6aa2cb8a2cf780a88c861c74794aa.png)
A.0.3 | B.0.4 | C.0.5 | D.0.6 |
您最近一年使用:0次
名校
4 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40373eeac089bf42d3a293c3ddd744f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 已知抛物线
的焦点为
,点
在该抛物线上,且
,则
到
轴的距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5590fa7c70bd0a95eb7179a39d2157f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c21d430a0c8c8abee1de7e46523233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
7日内更新
|
141次组卷
|
2卷引用:河北省南宫市私立丰翼中学2023-2024学年高二下学期第三次月考(5月)数学试卷
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6 . 若点P是双曲线C:
上一点,
,
分别为C的左、右焦点,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a0bd4bd9985f1e367c100b453ed03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3cc27780319782f383283a1e9b3bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee46147a12955cf4d4cb5e0b8bd3266.png)
A.既不充分也不必要条件 | B.必要不充分条件 |
C.充要条件 | D.充分不必要条件 |
您最近一年使用:0次
名校
7 . 已知数列
为等比数列,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97732815cf6e2f94a04fdde3eec8f78e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa69dde104dcf963e67647e801e0149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e84a64684884dab5b38122de557e16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97732815cf6e2f94a04fdde3eec8f78e.png)
您最近一年使用:0次
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解题方法
8 . 已知集合
,
,若
中有2个元素,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355771ed5798effb1606ddbe39477a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb3e531cae138a0e1e383f8a5851cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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9 . 某统计数据共有13个样本
,它们依次成公差
的等差数列,若第60百分位数为30,则它们的平均数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5fb222d30c17b68120423c53b7126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3b18d23d41e5f456dfd6485feed523.png)
A.19 | B.25 | C.21 | D.23 |
您最近一年使用:0次
2024-05-11更新
|
231次组卷
|
2卷引用:河北省邢台市第一中学2024届高三下学期二轮复习质量检测数学试题
名校
解题方法
10 . 下列集合关系不成立的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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