已知集合
且
,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219d9634f9946a4546f564bd663c33ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585d93b60d6451e76b882ffa0345dd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
更新时间:2019-09-08 00:21:19
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解答题-问答题
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适中
(0.65)
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【推荐1】已知全集
,集合
,
,
.
(1)求
,
;
(2)如果
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1e167e4cfa23403fde6ccfcf15ab81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23cbd605d5e710060788a06721d2699b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30da9531815632cc4aeed58d128edc12.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19130604a5110fb383f16c57acc8bb82.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29cd450d0feaea9acb27a60430f4a3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-问答题
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适中
(0.65)
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【推荐2】根据要求完成下列问题:
(1)已知集合
,集合
,若
,求实数
的值构成的集合C;
(2)已知集合
,集合
,若
,求实数
的取值范围.
(1)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22fb5f56095b404757c5f210ce833bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b695f7bf21bb7fd69340785193ad3e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97b89b661205708783c517deaa3db39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce1f6b53734d2e70038448444b3ee0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df9703f9ad84ef4f2ee4972bda71fcfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffcf09ac491079e5e249e3a06708dca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fdeba282b028321696be7f90f2cbfe.png)
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解答题-问答题
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适中
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【推荐1】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/7ec749bd2ec280f029b08deb36ed039a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45debddc544cf803542488ce03b97024.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.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
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适中
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解题方法
【推荐2】已知集合
,集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940581e270411226564af4a44692077e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec614ceff8b35c427b45802a2258f31.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次