名校
解题方法
1 . 如图,已知全集
,集合
,
,则图中阴影部分表示的集合的真子集个数为( )
![](https://img.xkw.com/dksih/QBM/2023/2/6/3168960759185408/3175413928984576/STEM/65fde754655c44eb91f2bc68e475a10a.png?resizew=242)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/402c8521b4c81a4cfde12745ecbff274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c685122d929f42e6faf928436910aa2.png)
![](https://img.xkw.com/dksih/QBM/2023/2/6/3168960759185408/3175413928984576/STEM/65fde754655c44eb91f2bc68e475a10a.png?resizew=242)
A.3 | B.4 | C.7 | D.8 |
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解题方法
2 . 非空集合
,
.
(1)若
,求
;
(2)若
是
的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649647e6e7ec4a9083c8e3e116417d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb70a9bb0751a1dac2b5a737eacdefb2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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2023-02-15更新
|
225次组卷
|
3卷引用:四川省成都市温江区冠城实验学校2022-2023学年高一上学期3月月考数学试卷
名校
3 . 已知集合
,
(1)设集合
,若
,求实数m的取值范围;
(2)设集合
,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba9633fea2564bb4daeac777f9747b0.png)
(1)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf39ef098c64d13126002b5690452e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7593a26dc6f12b1c25ba2ea1389fd3.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4e78f76b511bb31fe2987cd5713a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22882310035db6d3d953e060b0c91733.png)
您最近一年使用:0次
2023-02-14更新
|
627次组卷
|
2卷引用:湖南省张家界市民族中学2022-2023学年高一上学期第一次月考数学试题
名校
解题方法
4 . 已知全集
,集合
,且
,则实数m的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adca4a30b2865df1cf6e822037c370d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e18fb097d4e7b94e63392ebc374ee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
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名校
5 . 设全集
,集合
,M,N都是U的子集,则图中阴影部分所表示的集合为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/14/0ebf7c6c-e3df-4732-b571-783685c9f0e7.png?resizew=145)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb24cc55700d1bd4726d78f7e04bb41.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/14/0ebf7c6c-e3df-4732-b571-783685c9f0e7.png?resizew=145)
A.![]() ![]() | B.![]() |
C.![]() ![]() | D.![]() |
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名校
解题方法
6 . 已知不等式:
的解集为A,函数
的定义域为
.
(1)当
时,求
;
(2)若__________,求实数
的取值范围.
请从①
,②
,③
,这三个条件中选一个填入(2)中横线处,并完成第(2)问的解答.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc0f21f161147bab91b44cf6f4fddfe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103dfe9d21fb7504271cd21654c04227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若__________,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
请从①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
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解题方法
7 . 向量集合
,对于任意
、
,以及任意
,都有
,则称集合
是“凸集”,现有四个命题:
①集合
是“凸集”;
②集合
是“凸集;
③若
、
都是“凸集”,则
也一定是“凸集”;
④若
、
都是“凸集”,且交集非空,则
也是“凸集”;
⑤若集合
是“凸集”,则
一定不是“凸集”.
其中,所有正确的命题的序号是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c73b4fad12b6f4420bc320b11a278f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c1870a8601323a0fefb2f90c669f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe62a251f3d6dfb60ba2a42bdda534c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d86fcd178244fa8731df0ed6f981263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
①集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/214870cc10be3ab7bf66fae274517be4.png)
②集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8900d3ce5d983d0a19de9f65f987b5bf.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2646f41226f24960a6186dc7860ef45.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b76d26b78e63683dfacf10d3da6d74d.png)
⑤若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ee035c6c34eef4268a150dab13117e9.png)
其中,所有正确的命题的序号是
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解题方法
8 . 已知集合
.
(1)若集合
,求此时实数
的值;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93df4ab06bf742867aa48ad0e81a0055.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1e2281a9b51a4248fd272edbee1895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
9 . 设全集
,集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2aa286e0fe0f9c137965e34b01d845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee15e3b16e4fc80f4fcdebdfbe127e6b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fedf1176ff497d9fa4510e57ba90267a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
10 . 已知集合
,集合
.
(1)求
;
(2)设集合
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbcf008fb004a493aa7c96ca4ee87878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285f335f4b9ed6587cfc753964a0f4b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304ed4e911bc928055f784923a6fe4bc.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b1f1e03f3d2b4fcfab88dba9109909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22882310035db6d3d953e060b0c91733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次