1 . 已知实数
,集合
,
.
(1)当
时,求
及
.
(2)当
时,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96eaf0e47d78b592d82883a040387fdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a0c0e674cbb47e10f10361509ae3b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ed3213d2d39cdcfb2f616996f72266.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825793ebd4bb376a09621f163ac990a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c6009ab1bad0e053bc7e11b868cac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
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解题方法
2 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784a0b4a4e5761abacfaddb40d00fa7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f292cf5dac34f276191bc9ce7b5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9537e7ecdd3f67a42cd708ac57d1e5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-12-25更新
|
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3 . 集合
,
,求
,
及
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1e31eaffea4521c26617343357056c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/049f2a14e69fc58c72a9ad81dbfc7ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ae18508906c21d3e1199f231b1a9a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d69db2e9f780237710a05a711c47197.png)
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4 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29522f6a7aba39d40a987978a004f334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f70b86eebb4886f9bb72de8bd9310e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2163e7ee646394b6974feff512e8af94.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 设全集
,集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa26ede4564b80c035c146272384bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/908c1b76309d563e81fe8075ed31a2f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e326fb6015bf96a3dd332cb3851239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 已知集合
,
.
(1)求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da49baabf98b5a36e227e143b5abf56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8abfe26a44cb73f912bd2fa626961ee2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109e426e848c161a79366657ca264dc.png)
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名校
7 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8f7c6a98c81d4eb75df018f0b8858d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd87ee6a7303411800fbdfed058671b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe156c10c39e5214f325ce8a2180858.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-20更新
|
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2卷引用:河南省光山县第二高级中学2023-2024学年高三上学期11月阶段测试数学试题
名校
解题方法
8 . 设集合
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e6ae42cb08d9f0de2a8ca4f06b09ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 已知全集
,
,
.
(1)求
;
(2)求
;
(3)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe920722ed8c5f945d8ef41c7d45860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bc0cc578c6640d52abe2055cf7d63f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efebb0c4b204c2f65467cff27d8be35e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093cbde3d3472d1f7f2b0dff2bc4881.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1effe079f09633c05c5b97a0b1705422.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7f860e8f0503c476eaf0bd73a71810.png)
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名校
10 . 集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31e8b5f773d94ce985aaf9afccae823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5e1e33c1259195f7bb0198a3e6f65a.png)
A.![]() | B.![]() | C.![]() | D.无法确定 |
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2023-12-18更新
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