1 . 设非空集合
{
|
具有性质
},
{
|
具有性质
},若
是
的充分非必要条件,则集合A与集合B之间的关系为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed55c1dd5844dadba09c941a70ab24f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
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2 . 已知
,
,若
是
的充分非必要条件,则实数
的取值范围是
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112270327808/1572112276086784/STEM/0a880fa6839d4899b86781cc1caa7108.png)
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112270327808/1572112276086784/STEM/d950d7188202427abfb0593ca34e213f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d1a34ae2b8c77f8d7e355c6d1d667e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c62c14a017007a6bdfe25eada9c433.png)
![](https://img.xkw.com/dksih/QBM/2015/5/18/1572112270327808/1572112276086784/STEM/81448f146905463f985c52263406c3da.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 设命题α:x>0,命题β:x>m,若α是β的充分条件,则实数m的取值范围是 .
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名校
4 . 已知P:矩阵
的某个列向量的模不小于2;Q:行列式
中元素
的代数余子式的值不大于2,若P是Q成立的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b55edb2ddccc15893871245ee88824f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f756ccd338baa7a1c01f49a5a760e0ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 设
,
,若
是
的充分条件,则实数
的取值范围是_______ .
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572057013944320/1572057019367424/STEM/b11f46c79e6241a6bb41230a54789b98.png?resizew=83)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572057013944320/1572057019367424/STEM/35dff7503827475ab96afa6cf42dd920.png?resizew=63)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572057013944320/1572057019367424/STEM/e918d20c5aef4d94b7dddc7e65f13aed.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572057013944320/1572057019367424/STEM/0bc6b7e11e834af0acc585da71a731d5.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572057013944320/1572057019367424/STEM/3d4145fe224e4aea96c1adb664428881.png?resizew=17)
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12-13高三上·上海·期中
6 . 已知“
”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/16dfe6b57fbf2037c56bcae83ca9b378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216df1672273a5495aac0699f148f37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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