已知集合
,集合
.
(1)求集合
;
(2)求
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9014b89cad138b76889442904ce504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f96ab935876e09c8a2a581c61ec7f07d.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c9520bbe054b90a816abb58695e89b.png)
更新时间:2021-11-02 12:26:15
|
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】已知集合
,集合
,其中
.
(1)若
,求
;
(2)若“
”是“
”的充分不必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811fcc2f99f83f28eb36e1dc02319cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0295df3c53b7782cb03564932fafe91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e37c35e33ffa1a55a0693ae2319da91.png)
(1)若
![](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/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】设集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637ecd6a55f60d467e68ba9a739af641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc44285559d9cdbba64f53c49160e99e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】已知集合
,集合
.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d54a430320aa1be5d2ffb15f6c00621b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77eed7aa4959ec041bc368b09dfe6ea.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318212b9ba5866ba3fd6f4327526443f.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】已知全集
,集合
,
.
(1)求
;
(2)若集合
,且
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff82e29757e4b8e4731fa3bebd7f5da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cad146f63a67048d8f23c97bc6036a3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7f860e8f0503c476eaf0bd73a71810.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1997aede2d195e0bacdba7f3f5391e0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0b740846bee0ec6e2b0d6c6b1e839d3.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐1】已知集合
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeddbe5ee5b596d74195923782a7b953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3701978f8aa1ee1e8782f578b7d22db9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb9ba1e230baf0fcced5be5568ffb3a5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eac19737d882225c903054eb4863501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次