名校
1 . 已知集合
,
且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca717c6a55e786238e64f7ebd69b9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9badc4428a32f9070d666225426f81a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65dbb5064963ea76944cc04cd72b06d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-10-16更新
|
277次组卷
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4卷引用:云南省临沧市沧源县民族中学2020-2021学年高一12月月考数学试题
云南省临沧市沧源县民族中学2020-2021学年高一12月月考数学试题江苏省徐州市市区部分学校2020-2021学年高三上学期9月学情调研考试数学试题福建省仙游第一中学2021届高三上学期期中考试数学试题(已下线)文科数学-学科网2020年高三11月大联考考后强化卷(新课标Ⅲ卷)
2 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eab9d6aef02a900ac0b8f895fb449d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a5ce09113508ec0d2f6bbc5510788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-01-18更新
|
248次组卷
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2卷引用:黑龙江省大兴安岭漠河县高级中学2019-2020学年高一上学期期末数学试题
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3 . 在
中,内角
、
、
所对的边分别是
、
、
,
,且不等式
的解集为
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c47e66258d3c21dd9bf44dab2c960afc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec2b5883ca0dd0998992c431774db88c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86f7a5ec78dc2ce49b68189bc35ca4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-05-05更新
|
268次组卷
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2卷引用:四川省新津中学2019-2020学年高一4月月考(入学)数学(文)试题
2014·广东汕头·一模
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4 . 设集合
,集合
为函数
的定义域,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec37ff1e8eda033364d36308da03536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c29e3f0ff26fc373364977502916b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36d71bcc0c33609b38a0fefeac0117d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec37ff1e8eda033364d36308da03536.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-02更新
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1987次组卷
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7卷引用:2014-2015学年吉林省长春十一中高一上学期期初考试数学试卷
(已下线)2014-2015学年吉林省长春十一中高一上学期期初考试数学试卷2016-2017学年河北成安一中高一上月考一数学试卷黑龙江省齐齐哈尔市建华区第八中学校2020-2021学年高一上学期期中数学试题(已下线)2014届广东省汕头市高三3月高考模拟考试文科试卷(已下线)2013-2014学年广东省汕头金山中学高二下学期期末考试文科数学试卷广西兴安县第三中学2019届高三上学期期中考试数学试题(已下线)专题7.1 不等式的性质及一元二次不等式(精练)-2021年高考数学(文)一轮复习讲练测
5 . 已知
,
.若
是
的充分条件,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802680be6e3ffaf78e289eec7561dffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99729df9bcb42e76d4acfe4bd1a4876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 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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7 . 不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f54b7a6bb8d28ca5dc9a2aa9b60762.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2019-11-17更新
|
332次组卷
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3卷引用:广东省广外实验2021-2022学年高一上学期期中数学试题
19-20高一·浙江杭州·期末
8 . 已知一元二次不等式
的解集为
或
,则
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d13a7b5ea994a494d156c554de883f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28cdbf4bef583116fc1cf3ce0ee09f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63eeaa54e7b6e5d35c4c195cbb7a09d9.png)
A.![]() ![]() | B.![]() |
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9 . 解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb93f6c25cb374f59b51550c7f5c9f89.png)
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10 . 若不等式
解集为
,不等式
解集为
,不等式
解集为
,那么
值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e1bcced697608aa2a6c6afcc181da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90af9ba1a3d2362ecba6775e1d0030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8023e1902803a7939d2aa32ba9e2d44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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