1 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f7ab83c2c0bbcaabc2a177855d55d9.png)
________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b01a98aa86c3b83ab77ebd6e5ffbd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259967fa79b3b3bc4c03a745de5047d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f7ab83c2c0bbcaabc2a177855d55d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
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2 . 集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f77f6b43803eedde7553d0c138d664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d3dcaa4e44a08c9869fdb878f91388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2019-12-17更新
|
309次组卷
|
2卷引用:安徽省阜阳市颍州区第三中学2019-2020学年高二上学期期末数学(文)试题
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3 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8e8c28d4b8379443755e4e01137175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911541b3baae3ebd642f86e0621ba5b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 设集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f016dbf216fcc596ac3a981966d35e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a979f2fde6827c10d419997cd07842c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f016dbf216fcc596ac3a981966d35e2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 若集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f4c096a0a1df750dbc60e5f7c4cf15d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161c8a2028c8ab85be41988077ebb5ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a0192d00b9512578a8f894f59a7dad.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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2019-12-27更新
|
267次组卷
|
4卷引用:【区级联考】北京市海淀区2018-2019学年高一第二学期期末复习测试数学试题
7 . 不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2df91057c3d7a357fc64a147b1e135b.png)
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2020-02-10更新
|
195次组卷
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2卷引用:河南省开封市五县联考2019-2020学年高二上学期期末考试数学(文)试题
8 . 若函数
在区间
上单调递增,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d168ce47f33bf387f44db5282774e5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42c17641215934a3452ddd52042d9c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 不等式
的解集为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7402ab8b675978ec98307c380693e6cd.png)
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2020-03-20更新
|
188次组卷
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2卷引用:新疆阿克苏市实验中学2019-2020学年高二上学期期末数学(文)试题
11-12高一上·北京·期末
10 . 已知函数
,当
时,
恒成立,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047a9ad5edbb81b60d5865e7992c14f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b72d4b4a8f175d4d24cd8ef24a62c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b27837dfcb9a8f1f41be9de5d1b921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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