解题方法
1 . 已知集合
,
,若
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88004856d376f04aeb52a321d8af31bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c965b4b8ebd8e2a0e59b7d7ca2ca08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-05-16更新
|
680次组卷
|
3卷引用:山西省运城市景胜中学2022-2023学年高一上学期11月月考数学试题(B卷)
名校
2 . 已知集合
,
,是否存在实数
,使
,
同时满足下列三个条件:①
;②
;③
?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1508742cff23b60aa2f5e48dd3ce1f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48de3fb022e2fc337a3c945c24676364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb584b83ae783a0ec8a9b4628b7fca3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd7fbcdb1cc901fad3c3d9a5822ea00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-11-04更新
|
451次组卷
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2卷引用:山西省朔州市怀仁一中2019-2020学年高一上学期第二次月考数学试题
名校
3 . 集合
,
,
.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99a4a3f2cea8576bd1c5259dadf95c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c8b2ff6eb65276a49a058a7942a7d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baff5402f3d63db811c59b9eb26e2586.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d863dc7fbb5ef32811354df8f0be5c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2538056427519c9332699cb27a115e3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-10-27更新
|
324次组卷
|
2卷引用:山西省太原市实验中学2019-2020学年高一上学期10月月考数学试题