1 . 已知集合
,
,且
,则
的取值范围( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50d2d36fb95b9b46b24e80b7eeac1c1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6584e3a5c0d91b1973a2a1c169463fb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 设集合
,
,
(1)当
时,求
;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bafe6615c6384fa4cd0b6e768595ef06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5cd5c9f2de275543cd5fb78dedc6cb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
您最近一年使用:0次
3 . 已知集合
,
,
(1)若
,求
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3177a62276abc6c8a235b2fe326e7df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8182307f4dfe72c41d06ab6cdec459.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8da8cbff9f1fdff1b580921de25542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59ba58a6b9b5348b0828de967bea542.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
您最近一年使用:0次
2020-03-02更新
|
341次组卷
|
2卷引用:河南省顶级名校2019-2020学年高一上学期10月阶段性检测数学试题
名校
4 . 已知全集
,
,那么
是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf6bc26540a602f70de89bb037e798a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e839caa034b2ededd0c057c128147d2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d8752da4ff0c322afd5b03b39ee966.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
2019-10-09更新
|
1177次组卷
|
2卷引用:河南省驻马店树人高级中学2023届高三下学期艺术班模拟1数学试卷
名校
5 . 已知
,
,则
中的元素个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2578a65dedcdf593f130507c49bf6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb24ce687feee925ffc5bcf2d663745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551fd8cd8ea61d794c13074ccd7d6c4e.png)
A.1 | B.2 | C.6 | D.8 |
您最近一年使用:0次
6 . 已知全集
,集合
,
.
(1)求
,
.
(2)已知集合
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa26ede4564b80c035c146272384bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9dc9fbd9565740e85f09e277b70996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00f78ca7b790108cad37e87817be8fa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9682ecfd0d8b9b413e2b5b4b1e7d5f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b631e95a58d8643cd90a878f9fc1d63c.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c79e320acd5854d4fb8316a33474a50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d3f957538c10b25b456f08d04f72be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-02-06更新
|
501次组卷
|
2卷引用:【市级联考】河南省驻马店市2018-2019学年高一上学期期末考试数学(理)试题