1 . 已知集合
,
,若
,则实数
的取值构成的集合是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8809032bee52540b1a415a2f41cd3d1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54af8571613e5449066989b484fb32fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ba583329b831d06312a1f20edb4a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
2 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b26fdc500ce6feacd6e3960143ef5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2b3258fb742b40e268c8117f32201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
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2023-10-13更新
|
112次组卷
|
2卷引用:上海市嘉定区育才中学2023-2024学年高一上学期期中调研考试数学试题
名校
3 . 设集合
,称坐标
在平面直角坐标系中对应的点P为A中元素a的格点.
(1)证明:若
则
.
(2)A中的元素
所对应的格点记作
(
),现将A中所有元素进行排序,使得
,在平面直角坐标系中,求以
为顶点的三角形面积.
(3)已知集合
,若
至少有2个元素,最多有5个元素,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799adb7e4c8ebf9a30182e46e56f3192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
(1)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91cc05fe570763e4af0ff4672e2d09e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae4202aa738ce97198687198555c84c.png)
(2)A中的元素
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f255d0395fba51ca2d44293cca42e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf99487d7860d017c0747ff966edfd77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019123b8c298384939e99ef5e37720d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8c195da3f1e6e13cc9fc7aca43e17d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a0c3c4114915039e38b671bb707c09.png)
(3)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63728e5600559674a6bb03a0f183007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2023-10-07更新
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201次组卷
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2卷引用:上海市嘉定区育才中学2023-2024学年高一上学期期中调研考试数学试题
名校
4 . 已知集合
,集合
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/809ff979519c1944a0cdb8aebc12b44c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9dacfe528cc507bf47151b746255fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d7c63ba6a5281346e890e6b0b716bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2023-06-02更新
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648次组卷
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3卷引用:上海市嘉定区第一中学2023届高三三模数学试题
上海市嘉定区第一中学2023届高三三模数学试题(已下线)1.1 集合初步(第4课时 集合的运算)-高一数学同步精品课堂(沪教版2020必修第一册)广东省阳江市2023-2024学年高一上学期期中数学试题
解题方法
5 . (1)已知集合
,
,求集合
.
(2)已知集合
,
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee135078d38daa5c76155f1c80e909e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a9be4880e2e3f8dbc7885c95397bb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38792df5ad0f0c71cb9d850aa249351a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb395682c90fe4a41d8fea134a99370e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
6 . 已知关于
的不等式
,其中
;
(1)当
,求不等式的解集
;
(2)当
变化时,试求不等式的解集
;
(3)对于不等式的解集
,满足
.试探究集合
能否为有限集,若能,求出使得集合
中元素最少的
的所有取值,并用例举法表示此时的集合
,若不能,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b757a5513e40d0361de025303159fb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02f266bd253738e315e84231235f0d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)对于不等式的解集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5996a019a0aebc71c44ec2163360c071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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2023-08-10更新
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711次组卷
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4卷引用:上海市嘉定区中光高级中学2023-2024学年高一上学期期中数学试题
7 . 已知集合
,
是整数集,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3efc240b1ba05cc3d021cf9dc34dda5c.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43dbc43ff43be33199bc10a35838c249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0ecd416d6dc3d886b7bf73fc285dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3efc240b1ba05cc3d021cf9dc34dda5c.png)
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2022-12-15更新
|
304次组卷
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2卷引用:上海市嘉定区2023届高三上学期一模数学试题
名校
8 . 已知集合
,
.
(1)若
求
;
(2)若
设
,已知
是
的充分不必要条件,则实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf1d3c86553068040607e42e131e560.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0e1803e4d588edcb04309543eb8f96.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87676cc3ca413d9ba64fab2cd45c909c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d32309e4eb1de9d20f6da87f99e08e46.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e7581a9b1bdf7e15be780aaaecc4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1172c80b0d9bcb52d4071f27171819ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-11-05更新
|
121次组卷
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7卷引用:上海市嘉定第二中学2024届高三上学期期中数学试题
名校
9 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c917696237e9900635a274179601a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bf4cce07511c9d1aeeffbb5e731dc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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解题方法
10 . (1)已知集合
,
,求集合B;
(2)已知集合
,
,
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee135078d38daa5c76155f1c80e909e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52326e8d4cba2146876357f60b716486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38792df5ad0f0c71cb9d850aa249351a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb395682c90fe4a41d8fea134a99370e.png)
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