已知
,
,
,若
,则m的取值集合为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c789e3db4911fb5749d8ca0b7b87d554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996a7ebde96c83db2b3e10d5fa57bfd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d9830a073bae0a9b907b6d1c49cb5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2022·河北张家口·三模 查看更多[2]
更新时间:2022-05-18 12:46:54
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单选题
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较易
(0.85)
解题方法
【推荐1】已知
(
)的解集为A,且
,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48846bd06ff9f9373e332ddce3b34348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
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A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
解题方法
【推荐2】已知集合
,集合
,若“
”是“
”的充分不必要条件,则实数
的取值范围( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d58683a85c8ed1319dc3b7eb76544ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e7f921c5f9a381d3edf7f14a3c7998.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)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】设集合
,
,0,1,
,若集合
有且仅有2个元素,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e724c9b51176dca2b372f8c45871c032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf2ee3d7dc40d56e24491b9263bf5af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be29adc4adef5dea62a5d59c3ada5bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次