已知全集
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b0bf6f2d9b0197ced42f757799044b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bd3339f239a9f23992de62295457b0.png)
更新时间:2022-09-27 08:43:10
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解答题-问答题
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适中
(0.65)
解题方法
【推荐1】已知集合
,集合
.
(1)求A∩B;
(2)若集合
,且
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e1099c2b5db86f6b4d3a8c189a4d400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d447b923b4373eb59cc4361f17e0e16b.png)
(1)求A∩B;
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e5752ea8743cc4b6940ae566db1d93d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaaefddfb599c30ce4b3b19914be109.png)
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适中
(0.65)
【推荐2】已知函数
的定义域为集合
,函数
的值域为集合
.
(1)求
;
(2)若集合
,且
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0303e3c14ee782330d2544f92dc9a4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9214c18074bbd53581cf030645d2f711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867e3cbd955ebe6f11f2da714ece150a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca0ce54011a1d02f0eaf81b07bb85c3.png)
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适中
(0.65)
【推荐1】已知集合
,
.
(Ⅰ)求集合
和
;
(Ⅱ)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be4b5f679e0655cca54caa4c2fd69a7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf84ea9de2f3e24e976bd3ac42ed44.png)
(Ⅰ)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d9579c03d371981a337e79872e6d9b.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1ce49f84f6ff0d137dc8fa0a65fdbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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适中
(0.65)
名校
解题方法
【推荐2】设全集为R,集合A={x|3≤x<6},B={x|2<x<5}.
(1)分别求A∩B,(∁RB)∪A;
(2)已知C={x|a<x<a+1},若C⊆B,求实数a的取值范围.
(1)分别求A∩B,(∁RB)∪A;
(2)已知C={x|a<x<a+1},若C⊆B,求实数a的取值范围.
您最近一年使用:0次
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适中
(0.65)
名校
【推荐1】设函数
的定义域为集合
,集合
,
(1)若
,求
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d9ddb1a1993c8a6b6197ed6613e2af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6923571c3e49e17070110a23e06c9473.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a81e971f501d78f5560c0c3d42f0f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb0e48c1c19a920fefe17096bb737d9.png)
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适中
(0.65)
解题方法
【推荐2】已知集合
,
.
(Ⅰ)当
时,求
,
;
(Ⅱ)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320be3c12577c042ca2ac6c1e45a022b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b8a989fdd7c8458081fd42f0dbaa07.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afac794aa37b60a66c030b7f4c85bcf4.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
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