1 . 已知集合A={x|m-2<x<m+1},B={x|1<x<5}.
(Ⅰ)若m=1,求A∪B;
(Ⅱ)若A∩B=A,求实数m的取值范围.
(Ⅰ)若m=1,求A∪B;
(Ⅱ)若A∩B=A,求实数m的取值范围.
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2 . 已知集合
,
,
(1)当
时,求
和
;
(2)当
时,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f96a0b420170bd9aefd338ac0e753b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925dc8db7394799b235cdeb569016a28.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d259db9bb0e132881e875a77d324057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8489e291d540e36c33cd17b037c1e9cf.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e85bfa29cffc5bb557dd0565a01dcc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 集合
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/426d773a70571b166d1cc7377bbcf4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b587cac8afad0510415be0c71cac83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c52f72b65d657a4899745dc054ab733c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-04更新
|
451次组卷
|
2卷引用:2015-2016学年浙江省安吉县上墅私立高中高二下期中数学试卷
解题方法
4 . 集合
,若
, 则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_____ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b98b1fdd7643c5a8d01088daf369af2.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3825fa485f062e632eb164755764e9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b98b1fdd7643c5a8d01088daf369af2.png)
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解题方法
5 . 已知集合
,集合
.
(1)若
,求
和
;
(2)若
,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572044593496064/1572044599427072/STEM/2e69631b9d6c46678187a5a709ff22ad.png)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572044593496064/1572044599427072/STEM/bd7f88bd8fc940d69319965a8556387a.png)
(1)若
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572044593496064/1572044599427072/STEM/8588abb09ae947a9bfe3998218a37d3e.png)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572044593496064/1572044599427072/STEM/33e5f39c42684c5383e7eda5284da670.png)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572044593496064/1572044599427072/STEM/35d9a435b5614bebabb6d858614c839f.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572044593496064/1572044599427072/STEM/cdd401577da54a56bb5a0345cc6600c8.png)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572044593496064/1572044599427072/STEM/526fad6df1e44a718bd122298ab55a86.png)
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6 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c57af9e93be5aca303c308f0d1fe35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b4a908a992359946a9c68e52d81d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f74976ab19b7476b63cbce47a7c3363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c57af9e93be5aca303c308f0d1fe35.png)
A.![]() | B.![]() | C.![]() | D.{![]() |
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