名校
1 . 设
,
,若
,则实数
的取值范围为______________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ea1c31d13c9f51506a54a277c5f6936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/484fbe01480e5e21ed9bbeff17e2ed4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54dd4e6408e7c609533c97cb3aa012fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-09-23更新
|
773次组卷
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3卷引用:上海市杨浦区交通大学附属中学2020-2021学年高一上学期10月月考数学试题
名校
2 . 已知关于
的不等式
的解集为S,若
且
,则实数
的取值范围为_____ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cefbf1ab07624a64118c2ef855fbbde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73960df7b5e19b38042cc65a5815689a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd283bb8fb620a23ab7ae564e5f2e91e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
3 . 若不等式组
与不等式
有相同的解集,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b54c0087fb22a0b8d6a5440787ac06f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4b8e1ff8d7e43d4d35778b071b0fcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知
,记符号
表示不大于
的最大整数,集合
,
或
,则
=_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/033e636129d1e4c0e261961e8c091144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4e44fc1125dc258e2f871acf8c030c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a884b4f8abcd59336c71e5429fa75fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9228b976afe20f6cef8b9c20a6a08f7.png)
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2021-09-09更新
|
436次组卷
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2卷引用:上海外国语大学嘉定外国语实验高级中学2019-2020学年高一上学期第一次质量检测数学试题
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5 . 设集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72ef9665654c618812d35f99535549d.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41793b4da79ffeb54560faa16979c681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cd0699167293d7e6ae869f4367effe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72ef9665654c618812d35f99535549d.png)
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2021-09-09更新
|
262次组卷
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2卷引用:上海外国语大学嘉定外国语实验高级中学2019-2020学年高一上学期第一次质量检测数学试题
名校
6 . 已知集合
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7311f01fe270d0db6bf11f72601cb0.png)
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ea7c802f06e13b36341fa2f9b374c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3efff5328c9526a9c239e68b40a45a8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7311f01fe270d0db6bf11f72601cb0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1561cc8d4b5688f114b7563fb51a272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2021-09-08更新
|
502次组卷
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2卷引用:浙江省宁波市慈溪中学2020-2021学年高一普通班上学期月考数学试题
7 . 在整数集Z中,被6除所得余数为
的所有整数组成一个“类”,记为[
],即[
]=
,
=0,1,2,3,4,5.给出如下四个结论:①2020
;②
;③
;④整数
属于同一“类”的充要条件是“
”,其中,正确的结论是___________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6426c0561ee1171833b828b57301c79b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/824772093dde08596308ccc51d2bae2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e42139682e85aacec0edb5e5f5c306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8f7ffbb64c33fef73cf14ecd0672b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d827dcaa87e1525956f5a03be93655c7.png)
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解题方法
8 . 已知集合
,集合
.
(1)求集合A和B;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7b64f70c9fb959aed215b187343823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a14b2027f8119fb4c089d941367cb4.png)
(1)求集合A和B;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
9 . 设全集
,集合
,
,
,则实数
的取值范围是_____________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae2f402cd853c596eeb369235671700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8dd7231df4fc511e2c63b6d978da141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/affb9df80bc048b39e851862f492f808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
10 . 用|S|表示集合S中元素的个数,设A,B,C为集合,称(A,B,C)为有序三元组,如果集合A,B,C满足
,且
,则称有序三元组(A,B,C)为最小相交,由集合{1,2,3}的子集构成的所有有序三元组中,最小相交的有序三元组的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533f6114720fdac12d8e0010048e4e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb8010e64b124eb2a9c3cb0d56ad1f9.png)
A.4 | B.6 | C.3 | D.5 |
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2021-08-11更新
|
224次组卷
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2卷引用:上海松江区松江一中2020-2021学年高一上学期10月月考数学试题