1 . 已知集合
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e58dfc00efaef7f7a8beffc3e6e3266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed961de27af72b7d11887ccfb6f15071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2024·江苏连云港·模拟预测
名校
解题方法
2 . 已知集合
,集合
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2feed236cb514eee5a426282155ccf58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6e01b7bb7893fba53245d10b375c3dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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名校
3 . 定义集合运算:
,若集合
,
,则集合
中所有元素之和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69541713a669e37fda3813efdde7f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf0d84ae97fdff1102b68376d392e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad9cad0086fcdf91a3f30189c53b4fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e37e656d05244fe3a5769cd1446725.png)
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4 . 英语单词“banana”所含的字母组成的集合中含有__________ 个元素.
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23-24高一上·上海·期中
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解题方法
5 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f705488e1dc8c4e0344f1cac063503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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名校
6 . 设全集
,
,
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a6947576b55ea7171d705a1886c59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f1431bca7e0baac283abc1974afe4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4c454151299e59238f3b42b2912638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2023-09-25更新
|
116次组卷
|
2卷引用:上海市第四中学2023-2024学年高一上学期9月月考数学试题
7 . 已知集合
中的元素
满足:
,且
,又集合
中恰有三个元素,则整数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ ,集合
中的元素是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c50fb5615e36df436d747356b00d78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d89a1752d4ae4c08f303eec015fb3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2023-08-28更新
|
393次组卷
|
2卷引用:人教A版(2019) 必修第一册 数学奇书 学业评价(一) 集合的概念
解题方法
8 . 已知集合
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/748392a624979cd494a168a141c69c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e8e27d2b67cd2118a90a17fc6391ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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23-24高一·江苏·假期作业
解题方法
9 . 已知
,且
,则
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ca37bbcd11280bfb7941830bfe4955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad96b50521f4bbf3d436d05dc258083d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
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10 . 下列语句中:
(1)
和
表示同一集合;
(2)由1,2,3组成的集合可表示为
或
;
(3)方程
的所有解组成的集合是
;
(4)区间
是有限集,
其中正确的是__________ .(填入所有正确的语句序号)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e553025c87a7e9b92b7b67d13d931a60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf17bb9bb0ceb75dbc7aa155af89d38.png)
(2)由1,2,3组成的集合可表示为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f12a019ea4cab2a4143b39043157ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9cd4fb68693542cd7f22eb26333d79.png)
(3)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d14881e4c87a517f1d683ff546552e47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bddb4f1dbef25e8fff57d45d8a824e0.png)
(4)区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68678cd9df6a919911f4a2737eaef82a.png)
其中正确的是
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