名校
1 . 已知集合
,
,若集合A,B中至少有一个非空集合,实数a的取值范围_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5007e8ecb707726a053fa286ed40e6f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26c1977dfa1a13137dc87cc50dfe56d.png)
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2023高一·全国·专题练习
2 . 设全集
,集合
,
.则实数
的值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c2763f577f2271b8767640a4196ebc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fd63e6c64760273226992876dae374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b80f8b340b33a409a2cdfff230ed09eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
3 . 设集合
,集合
,若
,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5656f78a0cf4a99e996f87100e999a14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4575fc0aaceb34a9e7858f7ea5106f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a17a6f859d626dd9d2da031d65e2e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2023-09-13更新
|
784次组卷
|
6卷引用:1.3集合的基本运算【第二课】
(已下线)1.3集合的基本运算【第二课】(已下线)考点2 集合运算 --2024届高考数学考点总动员【练】重庆市第八中学2024届高三上学期入学测试数学试题河南省南阳市第五中学校2023-2024学年高一上学期第一次月考数学试题广东省东莞实验中学2023-2024学年高一上学期10月月考数学试题江西省铜鼓中学2023-2024学年高一上学期数学阶段性测试试题(一)
名校
4 . 已知全集
,集合
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f64b6dd466dbb603f208ee9abea2e41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89107339d596eda663ee44ca6304f72b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0f59e91bdd7a74a5e85cd56da97871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2023-07-18更新
|
781次组卷
|
6卷引用:1.3 集合的基本运算-高一数学同步精品课堂(人教A版2019必修第一册)
5 . 设集合
,
,
,则集合B=___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/043f3f5b5238b377373c4ab58be2fec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01cc7a06e894b62b3c9c14ca54ef92ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df975452f7a2a4528435573cd063057c.png)
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6 . 已知全集
,集合
,
,则实数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2453ceaffd7cc11e14b1fa5b088773dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c56281c6eeeddc462b27d8022dcfcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53b31acabbe3c77712dcb5c894f4cc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-04-02更新
|
416次组卷
|
2卷引用:必修第一册模块测试-2022-2023学年高一上学期数学北师大版(2019)必修第一册
解题方法
7 . 集合
(
,
、
),定义
为
的长度.已知数集
,
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d90e1cb9c48e827ffd008a93a8c2f2.png)
,则
的长度的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2715553bc7a9851713385cb7e2ba2891.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56eee45baf8ec905a2f0fb79d482ed68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962047bded3e19998f143a08970b78e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e214a9aa95c12c71e334d5de4b9f0fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d90e1cb9c48e827ffd008a93a8c2f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091a572ae2662aadd5f66a2442d28f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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8 . 已知全集
,集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62cc7e2318dd02c98703028b087d66e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e953803159041639ee36cbcf5d73a75c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f849709ee2600c226e9e7818e1c95b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
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名校
9 . 已知集合
,
,
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/975f579159d9e8ade04e84c4da7f6b8a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a88afbaf64427ea5b15b74b68da2643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dba47ae2cf43f6578a6f5bbf0c9a75c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9b14d12df5e6c626f34a70023517b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/975f579159d9e8ade04e84c4da7f6b8a.png)
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10 . 设
,
,
,则实数
的值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328d90fe3364cd524c39d6f64f3db7aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39dcdca10ab0425b1af60fc97b1f3cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4627486a54aa1ce6bcc622c0cc035d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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