已知
,使
为假命题,则
实数的取值集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
_______ ;设
为非空集合,若
是
的充分不必要条件,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/248d3fb187b56abeb0317dee8ae6a010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f61f1988bfd0b7818757155997b7ace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c2ed8d3bf27bee4d379d108aa1a837.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)
更新时间:2023-01-08 22:25:46
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解题方法
【推荐1】若“
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【推荐2】设
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您最近一年使用:0次
填空题-单空题
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较易
(0.85)
名校
【推荐1】由命题“
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c69c9366f2b98c9726a8ec0ee229eb4b.png)
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较易
(0.85)
【推荐2】若命题“存在
,使得
”是假命题,则实数a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbff3170097b2d504affee5a0038938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86474b8b559afef08fa4ea228f84b77e.png)
您最近一年使用:0次