设
,则“
”是“
”的__________ 条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c618d5cf5669ab345678aa4ff78f6b70.png)
更新时间:2018-03-22 16:56:08
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相似题推荐
填空题-单空题
|
较易
(0.85)
【推荐1】从“充分而不必要条件”“必要而不充分条件”“充要条件”与“既不充分又不必要条件”中选出适当的一种填空:
(1)
中,
是
的______ ;
(2)
是
的______ ;
(3)
是
的______ ;
(4)
是
的______ .
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a013792e1ad46ae4fcf9ba89b10ed2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2053e1f50472a9fed67d4c84d9cb938.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e482dd69ac1cf7f06552fdf25a217c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0345ad2eb83035986f0ad4d3abaa44.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】“函数
在其定义域内是减函数”是“
”的__________ 条件(填“充分不必要”“必要不充分”“充要不充分”“充要”“既不充分也不必要”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0fb0ed765325b27c405d8071cc9d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a67124ac652528552a04925f2db3b3.png)
您最近一年使用:0次