设集合
,
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b1f92fda03bb5d93dba0a658b3a9cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93bca76fbd2f29ceb22692a6b35be5b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2021-09-01 23:27:34
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【知识点】 根据集合的包含关系求参数解读
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解答题-问答题
|
较易
(0.85)
名校
【推荐1】(1)已知集合
,
,若
,求实数
的值
(2)集合
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f31c395203901686b2c59a85a5add75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619d90176a76cf9f5625c247966db0d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86287bd50546cf4909d580da08410012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a23ee3248198322181d27b81027e0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】若“满足:
”是“满足:
”的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22337be1ee2029e5af63ab896f15809c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4eed3415f9a0607cc2a9dc52960f76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次