名校
解题方法
1 . 已知集合
,
或
,
.
(1)求
;
(2)若“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5815297ecadc653ce057ce3a1c4db3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e2e49bc27f2bf13b85eab1b7761f1e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890d6dafa253b76e17c37f607ad29a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38765611f2ae7fd6a44a29c803545c26.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361048fd1b1a7f3b7230404a04b7155a.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6638d8ad16965a6c90fd28fcd34652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19afc2adcdd04bbeda888dcd53822ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-03-31更新
|
526次组卷
|
2卷引用:河北省衡水市武强中学2023-2024学年高二下学期期末考试数学试题
2 . 已知集合
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3cdd7b47041cc8bb1aec9e140b1078.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b262d7550393adaf604eda738fa2cb7.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c9888b5d5c5ccae881b6270267b769.png)
您最近一年使用:0次
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)
您最近一年使用:0次
2024-02-05更新
|
179次组卷
|
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 . 已知集合
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9690e6e8ecf479bb0efa4c0e2fab9b28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8841f3c0845d676a2098c2b5b1ed204c.png)
您最近一年使用:0次
名校
5 . 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)
您最近一年使用:0次
名校
解题方法
6 . 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)
您最近一年使用:0次
解题方法
7 . 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
名校
8 . 已知全集
,集合
,
为小于4的自然数组成的集合.
(1)求
的子集的个数;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734d3c84a76a1cc2251434b778dbfac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cd390a7c8f0ff4bd717a2a37c03bb40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd1315ef75fa8897d12759b3aef5c45.png)
您最近一年使用:0次
2023-11-14更新
|
168次组卷
|
4卷引用:河北省部分重点高中2023-2024学年高一上学期选科调考第二次联考数学试题
解题方法
9 . 已知集合
,集合
.
(1)若
,求
和
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8aeb606d998a5af64b2e72a4a004b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3286f84666553396ec54aa897504770.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
10 . 已知全集
,集合
,
.求
(1)
;
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f90e2a30cd2f7ae0ae31f70aa07d78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345caa502ace9465df4eaa60ccb25da7.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ce38f000da0f4c8183510d67004eae.png)
您最近一年使用:0次