解题方法
1 . 已知集合
,
或
.
(1)若
,求a的取值范围;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e0887a845e119974571d764b57e0d53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168ab60eddd7d972f45d3faa2dec3902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842ad3e65189c68b5eee102aa8661ba6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
您最近一年使用:0次
2022-03-08更新
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374次组卷
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3卷引用:新疆昌吉州行知学校2021-2022学年高一上学期期末考试数学试题
名校
解题方法
2 . 已知集合
,若
,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43cdf5419e77ab930ca493e7d6d2865d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8314ee6804c6cc14250a90dbf52d3807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64daa5399cafb5a3a4d9b0c831cc815.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-10-16更新
|
155次组卷
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3卷引用:新疆昌吉教育共同体2020-2021学年高二下学期期末数学(文)试题