已知集合
有三个元素
.若
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce83b69008c165c073e3384a5dc30a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43f4950600ac6e313554d8414cffdff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.1 | C.![]() | D.0或1 |
更新时间:2023-11-24 20:52:15
|
【知识点】 根据元素与集合的关系求参数解读
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【推荐1】设关于
的不等式
的解集为
,且
,
,则实数
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bfe225fa81eae0faf7095217e73bc46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a732ab17ab7e10ac182cb3c874385dbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6f51a546a9686b0b1bc9c066a5b9c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.不能确定 |
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