已知
,且
是
的充分不必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa66f78cd87f9c5cbcd3e0724fea5df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
19-20高一·全国·课后作业 查看更多[3]
人教B版(2019) 必修第一册 逆袭之路 第一章 1.2 常用逻辑用语(已下线)第一章 集合与常用逻辑用语 1.2 常用逻辑用语 1.2.3 充分条件、必要条件人教B版(2019)必修第一册课本习题习题1-2
更新时间:2020-02-05 13:19:25
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【知识点】 根据充分不必要条件求参数解读
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知集合
.
(1)当
时,求
;
(2)若
是
成立的充分不必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa782c164f911517bdd89def798a68d9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc7d55e31ee10b6b9ec865db9403844.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0751e0a660e22bec682dd8896695ed7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a308d060b2d2f50993513df1766ec6.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b58718c78faa897e601d06773957880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
(1)当
时,求
,
;
(2)若
是
的充分不必要条件,则求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d04a0eedfaabd2127ec8f1ce19435ae2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b58718c78faa897e601d06773957880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae5a80eea34c64c4a0b37fd190f2d75.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次