1 . 设集合
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5967b0e2ae389aa1ac9d161443cf6c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b790e0769f42f6feea8fa072b67fd06c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.2 | B.3 | C.4 | D.5 |
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名校
2 . 已知集合
,
,若
中有2个元素,则a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d3f850a5f7881d307e420e61e3a9d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8314ee6804c6cc14250a90dbf52d3807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-08更新
|
1893次组卷
|
7卷引用:河北省保定市九校2024届高三下学期二模数学试题
名校
解题方法
3 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19d1f2c79062d92e39cda8ce8a3f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac435d118df6082d1e2cd48cdc9e0b74.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d19598537de95fa02534b1e9b467d1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-02-05更新
|
178次组卷
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3卷引用:河北省保定市清苑区清苑中学2023-2024学年高一下学期入学考试数学试题
名校
4 . 设集合
,
.
(1)若
时,求
,
;
(2)
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50de0cae9bcad8345e5bfef90c4f19b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce3273a850f624b01caeda2434eb9d8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55b98d426c776e11f02be37f7158b7b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
5 . 已知集合
,
,
,实数集
为全集.
(1)求
,
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b086b424b34b71fcd33c871070d09e3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345caa502ace9465df4eaa60ccb25da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a1f2822378bb9a6139e2c1c62b36edd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda922978abb112ea099f28ff9ec1170.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e968937d457d9e2237b401077ff224a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 已知集合
.
(1)若
,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c57e5dadb8547b2c89a48382768431b5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318212b9ba5866ba3fd6f4327526443f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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解题方法
7 . 已知集合
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e678393488bd3722ca38adc76df2228e.png)
(1)若满足
,求实数
的取值范围;
(2)若满足
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92defe532e75dda6a54fb5237df0f0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb01a1f28a6752cb633d9523475631bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e678393488bd3722ca38adc76df2228e.png)
(1)若满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281b7f1f77b4b82e84f906019acca76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
8 . 已知集合
,
或
,则
的必要不充分条件可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaad6fba657217f357e6efae4ceb0eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5035421a878346291f98fb0228317f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cf5ab959efb5b142e21ccfb3182964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-11-10更新
|
196次组卷
|
2卷引用:河北省尚义县第一中学等校2023-2024学年高二上学期10月阶段测试数学试题
名校
9 . 设集合
,
,
,
.
(1)求
,
的值及A,
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e74051cfd677ebb850fdb17773a986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a0de39519812f328115c7bede952de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc992c9e51d4b22232adf6bb5c8055a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e5e4983703f1156f3d20b930f8e8c16.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f10a792519d4428c68cbc92c767b82.png)
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2023-11-10更新
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269次组卷
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3卷引用:河北省名校强基联盟2023-2024学年高一上学期期中联考数学试题
名校
10 . 已知集合
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b326f211114b64c6692c23728ba89c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3146f203578aa47c0987e88cf348985b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85207abd6f550a486feeec9ee3a72170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2023-11-10更新
|
336次组卷
|
2卷引用:河北省名校强基联盟2023-2024学年高一上学期期中联考数学试题