(1)已知集合
,集合
.求
和
;
(2)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff192e226bb5f097633f3fcfddce455a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d59ae42a92fe405efb7bf1082ca2422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28b8c4e5a29bf4214814b769883e3cb.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35775d5f8ffd2479e851fc3eff9801ca.png)
更新时间:2023-03-17 14:32:04
|
相似题推荐
解答题-问答题
|
较易
(0.85)
名校
解题方法
【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/de0e4d1af2512534d664cefa2766182c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff8f7cf53e48ec88b855e7e1800d13f.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/04ceb1f338fa60976229d7ec6531b626.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
解题方法
【推荐2】已知集合
,全集
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/145d6fc0f273f1620724344d7dfc59b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a67a26d25f96b590b0e224e13ef81e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7bf74e4eb8ca4fa2829e4576e4023f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e4a5d76bfaf53ac2d5bb0fd3902c9b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0f776e594404d68252779e9ef6aa1ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】已知函数
的定义域为集合
,
的值域为集合
.
(1)用区间 表示集合
和集合
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c07aef7ef28d344e85c814b782d76cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e567dca2bdafbb4c117d8225b74c5dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.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
或
.
(1)求
,
;
(2)若全集
,集合
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5c7bfba97dc0dac10068ddb322fa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004efbddbb5f74064c043e9a455c6004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4ddadbdc40a81d7310dd69c14f40a2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ccaf2fb1174d9314c3e9b07846059c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4019a06d15f0205d42f372aa423e7a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f31757a31c6507c7849499e192caa83.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3】设
,集合
关于
的方程
无实根
.
(1)若
,求
;
(2)若“
”是“
”的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319e124ae1c208f7ae0c22d86aee3965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afaed5ecc34e15984541c307d9d828b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38baccce2f900ba3a64bfde0e2f68ef6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9877c448965ecfb90d46c988bc6058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b898432f74ef221028e94ede5268709.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)
解题方法
【推荐2】已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010db36ce50b2112bbc7ab0f2f230f5e.png)
(1)若
,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a54de32b992341af2a4da38d2a15c301.png)
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac23d8c6119ca18a4cb7de9242c49e98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010db36ce50b2112bbc7ab0f2f230f5e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a54de32b992341af2a4da38d2a15c301.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
您最近一年使用:0次