已知集合
若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0331e112f792e509eb6088df9304317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d855660a3fed2a08f22db1232308eeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
更新时间:2021-10-29 16:08:21
|
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单选题
|
较易
(0.85)
解题方法
【推荐1】已知集合
,
.若
,则a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0708c8e2d894d7a1c96b5b6bd57de35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e19981694aa662f4c346a5df446741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db8e790554a0143859c55c028c4c73e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】不等式
和
的解集分别为
和
,且
,则实数
取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7ec250964c06c999cbd4c689dd654fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f267da0b01cfb5dca18cbf605bc610cb.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/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.(0,1) | B.[0,1] | C.[-1,1] | D.(-1,1) |
您最近一年使用:0次