1 . 已知全集
,集合
,
,则集合
的元素有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4f59a3fd052f229e79e5aefa517913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed0081de4e04574dd0884c4e6077fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c105e7649e4eff5001fd62952855ec1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e244813f060a86f7bebc9ecfb21910.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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2 . 已知全集U=R,集合A={x|2x-1>0},
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5d4d8e9a24c58cc26bb9b93f2aef84b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109e426e848c161a79366657ca264dc.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2021-12-03更新
|
508次组卷
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2卷引用:福建省厦门双十中学2021-2022学年高一上学期期中考试数学试题
3 . 已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa890096fc1451716a024829f3c2867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b46e6abc8c8e224c0c85f2c768d897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a62851f7a30bca107a809be28d9103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79338318af27df055a84186530200d47.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2021-11-09更新
|
701次组卷
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5卷引用:福建省厦门第一中学2021-2022学年高一上学期期中数学试题
名校
解题方法
4 . 已知集合
.
(1)求
;
(2)若
,且
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2505cf7f3b7300b0ac38d1840f5d6dba.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551fd8cd8ea61d794c13074ccd7d6c4e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02907bb80bd840948bc9b25c3c680323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfae4a61a2a070221013ccfb97d2720.png)
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5 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed13f8d2663ef71bfe632cd3945402fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e8ce7d6cf0877a60c823b8522c90f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bada090db1e0f8c1be7192718d16c74.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2021-09-15更新
|
535次组卷
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2卷引用:福建省厦门市同安第一中学2021-2022学年高一9月教学质量检测数学试题
名校
6 . 设全集
,集合
,
或
.
(1)求
;
(2)集合
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5ee23dde6b57cdb9cbef625b893534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7833a41dd7cbdeff195f411a3442cdd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074a2025262fb224ccab1efd1c8c992b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5de9b47aedc1579757f5d6cefa74332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513e8484ed42ad692986e7f9ecf457e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2021-03-06更新
|
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4卷引用:福建省厦门松柏中学2021-2022学年高一10月第一次月考数学试题