名校
解题方法
1 . 对于集合
,
,我们把集合
叫做集合
与
的差集,记作
.若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8734b8776bdb5382fc6c4008f9d76d73.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/ac9a156c86b5cb3d39c16f7a7104c3bf.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/5e9e460c144f7a2141d2df0308b125f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83f7d5548c373c321648c939b6a720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce88813366dded69ee63fc25d7326fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8734b8776bdb5382fc6c4008f9d76d73.png)
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名校
解题方法
2 . 已知全集
且集合
、
是非空集合,定义
且
,已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619c485c6a9a959daebbd4bad00842d3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.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/03ffed3a8b5987b07816029a27b62e96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6d5cb5351f14fc1ee639b9f6d2c226a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7300b636d36ec6f469747edbad476f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bfd163b12455247d825f1f781a6eaa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619c485c6a9a959daebbd4bad00842d3.png)
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2023-11-14更新
|
352次组卷
|
3卷引用:安徽省合肥市第四中学2023-2024学年高三上学期11月质量检测数学试题
安徽省合肥市第四中学2023-2024学年高三上学期11月质量检测数学试题安徽省安庆市宿松中学2024届高三上学期11月质量检测数学试题(已下线)热点1-1 集合与复数(8题型+满分技巧+限时检测)-1
3 . 集合
,全集
,定义
且
为集合
的“差集”.求:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093cbde3d3472d1f7f2b0dff2bc4881.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1cbe3a963f08ad77de4a7c9bad4bce3.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3769955704d38792c0547a82c02a1e58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f047fef694ecb6cae51c941fdf0fdb22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45646f1d1ef972f499b10300cb3b7ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b998f1e3675e0fa3b790c416a751af63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093cbde3d3472d1f7f2b0dff2bc4881.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1cbe3a963f08ad77de4a7c9bad4bce3.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78215dc9af0a61c5c0067fa57455b8cc.png)
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名校
4 . 我们知道,如果结合
,那么
的子集
的补集为
且
.类似地,对于集合
,我们把集合
且
叫作集合
与
的差集,记作
.例如,
,
,则有
,
.若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11bb5a9abe1b0cd5c45ab162fa2ba52.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952f1e0ce5bd53a6d5e8bb07ea2da5f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f69e3a5560fb5bca676dda74de79bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20669b603d86512154d7c91a44007e4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad9c264598c1a4cb05a15eb00a55133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bb7c317f907cd7fda5ae49b24f2d41.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/5e9e460c144f7a2141d2df0308b125f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/402c8521b4c81a4cfde12745ecbff274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce88813366dded69ee63fc25d7326fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba65dcb8c4db3a6ebdc9fa2007bfb3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a23c20bc899519969fe7d3847a162af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156e64f3454643981c397f1394eb4382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d918783c955abfad9ecf18db72d4a153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11bb5a9abe1b0cd5c45ab162fa2ba52.png)
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名校
5 . 对于集合
,集合
记作
,例如,
,则有:
.若已知
,则集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6d85799453899836bc34ad276ec80e.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b84c1e4493b6656c881fe3566fd30ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df69c6a544f62a016490b012c353ae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f32d45388631e3ba00a993c4b7dc0dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195f601f0fab40888486c105762b54c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f8578e24d3f59f8d9cd75523ae03c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6d85799453899836bc34ad276ec80e.png)
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名校
6 . 设P、Q为两个实数集,定义集合
,若
,
,则
的真子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4af892bd7d594527e08670ee02689c7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244489b7102ccdc6491e6ff6756a0209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a244301d51406a27b9ddf5ececd3383b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f460a3d908ee5647b7ba52c19740ef08.png)
A.15 | B.16 | C.31 | D.32 |
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11-12高一上·黑龙江·期中
名校
7 . 已知集合
,定义集合运算
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e3cc66aa6a4e751ec9f160557174d5.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63c042e30c4f98699ccd63934b6f21b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb1e7b2819f98e0d3fadfa247570bff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e3cc66aa6a4e751ec9f160557174d5.png)
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2023-08-28更新
|
1373次组卷
|
9卷引用:人教A版(2019) 必修第一册 数学奇书 第一章 集合与常用逻辑用语 1.3 集合的基本运算 第2课时 补集及综合应用
人教A版(2019) 必修第一册 数学奇书 第一章 集合与常用逻辑用语 1.3 集合的基本运算 第2课时 补集及综合应用重庆市西南大学附属中学校2023-2024学年高一上学期9月定时检测(一)数学试题四川省成都市第二十中学校2023-2024学年高一上学期10月月考数学试题(已下线)1.3集合的基本运算【第二课】安徽省滁州市明光市第二中学2023-2024学年高一上学期10月月考数学试题(已下线)专题01 集合及其运算2-【寒假自学课】(苏教版2019)(已下线)2011-2012学年黑龙江省哈三中高一上学期期中数学试卷(已下线)2011-2012学年浙江省宁波市慈湖中学高一上学期期中考试数学试卷江苏省南京市第一中学2018-2019学年高一上学期10月月考数学试题
8 . 定义集合运算:
,设
,
,则集合
的所有元素之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786653a5f5aee723a8c92143dcc8237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a22f8d9188279429b395c30b2898ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0945b9f47f37e913573a970c9c0f66e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce69cd33d105ce280170f0cd0513026.png)
A.14 | B.15 | C.16 | D.18 |
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2023高三·全国·专题练习
解题方法
9 . 如图所示A,B是非空集合,定义集合A@B为阴影部分所示的集合.若x,y∈
,A={x|0≤x≤2},B={y|y=3x,x>0},则A@B=____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/26/6c116a1b-fd75-4a5a-a692-ff23a19458d3.png?resizew=162)
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10 . 定义运算:
.若集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ac360e5df46d7af2d53b5ea752bfbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb471af6f64f1eff0469d652fcc0711e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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