若集合
满足
,则命题“
”是命题“
”的_________ 条件.(填“充分不必要”,“必要不充分”,“充要”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6155e6ba1e5e1e7a0e8a926afde20c33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
更新时间:2016-12-04 22:58:40
|
【知识点】 判断命题的必要不充分条件解读
相似题推荐
填空题-单空题
|
较易
(0.85)
【推荐1】在下列四个结论中,正确的有______________ (填序号).
①若p是q的充分非必要条件,则
也是
的充分非必要条件;
②“
”是“一元二次不等式
的解集为R”的充要条件
③“
”是“
”的充分不必要条件;
④“
”是“
”的必要不充分条件.
①若p是q的充分非必要条件,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
②“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dace18fa20f00d049f621914b21b4ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95f3fa710253c107b6e8fb458108b0d.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d54e72f2a8f5bf4a12f3328503afb9.png)
④“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82dfc56304a9036fd5e657e42fdc6937.png)
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填空题-单空题
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名校
【推荐2】设
,则“
”是“
”的______ (填“充分不必要条件,必要不充分条件,充要条件,既不充分也不必要条件”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa0d236b0027c26b3c5ae660fd684b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ba929036bc45b3f7ea7a60feb7ff99.png)
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