名校
解题方法
1 . 已知集合,
,全集
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc03ec3d78487844b44cd273efc9188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d90ff243b30c5448d90ab17e3d442ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
3 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87a0f2d99ae61508f0556f76d0ab991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1e4eab723d8a692293f3bae422b830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d413168d2ad9dccacd5ca4cc0841f2.png)
A.![]() | B.![]() | C.7 | D.0 |
您最近一年使用:0次
解题方法
4 . 设集合
,集合
,集合
.
(1)求
;
(2)当
时,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0adbacaee97d228631ec3e0f9aa3066c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71707e3b6154bd02e9108f5e5b2ee9f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb5e684be08cae94daeed042fc12e1a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bb6324279df94decba955e04ccfa9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcdb562732b208fd5c0db51466236422.png)
您最近一年使用:0次
5 . 设全集
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc36871fa6038f00e7271bf6ef925a3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ca6950e26a91e3d93a87dd71d99095.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46528abf1da4a3c8dc6f382015f406d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8140c98119bc55b8849d1c60f86b20d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知集合
.
(1)判断元素
,
与集合
的关系,并说明理由;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edd58f7509ce1f63700d519d3a7b4c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0d48d57d74ddc580092c2a72791565.png)
(1)判断元素
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdefcc8672cae89e5d6b188288ebf99b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b49dcc4bf7ddf541458b90841889a673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aadbdcb9c2fb791a215c94e03cefe5e.png)
您最近一年使用:0次
8 . 设集合
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dec1bda6c40be6073241dd87c4d204a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821e55ebc9af7df5e62631c06c7c1191.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
9 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20889682a2ce4c6efab561457cdec3f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccac6bd413766d012bc368b0b48a8776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
10 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33db5bd0d6a552e2c73fb1429266e38f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次