1 . 向量集合
,对于任意
,以及任意
,都有
,则称
为“
类集”,现有四个命题:
①若
为“
类集”,则集合
也是“
类集”;
②若
,
都是“
类集”,则集合
也是“
类集”;
③若
都是“
类集”,则
也是“
类集”;
④若
都是“
类集”,且交集非空,则
也是“
类集”.
其中正确的命题有________ (填所有正确命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2c0b5b15ef55baeb6e7095ce47d5c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea4b13fe0b06f86baad673fa423037e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb6bf23a5a12e1ba5413594d7b1a57c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5913b03e244adcf4dec8749f9624d55f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b4ea32d1f3ed0e04bcedca9f189941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/148db9c7b8abbeaa814e8083bcd01c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2646f41226f24960a6186dc7860ef45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b76d26b78e63683dfacf10d3da6d74d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
其中正确的命题有
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|
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|
12卷引用:2020届上海市杨浦区高三第一次模拟(期末)数学试题
2020届上海市杨浦区高三第一次模拟(期末)数学试题2020届上海市高三高考压轴卷数学试题(已下线)热点01 集合与逻辑-2021年高考数学【热点·重点·难点】专练(上海专用)(已下线)卷11-【赢在高考·黄金20卷】备战2021高考数学全真模拟卷(北京专用)(已下线)上海市华东师范大学第二附属中学2022-2023学年高二上学期开学考试数学试题(已下线)第01讲 集合与逻辑-2(已下线)高一上学期第一次月考填空题压轴题50题专练-举一反三系列(已下线)压轴题平面向量与解三角形新定义题(九省联考第19题模式)练(已下线)第3章 空间向量及其应用(压轴题专练)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第一册)(已下线)北京市中国人民大学附属中学2023-2024学年高一下学期期中练习数学试题变式题11-15(已下线)【练】专题四 与平面向量有关的新定义问题(压轴大全)(已下线)专题10 集合与命题新定义-2020年高考数学母题题源全揭秘(浙江专版)
2 . 定义全集
的子集
的特征函数
,这里
表示
在全集
中的补集,那么对于集合
、
,下列所有正确说法的序号是______ .
(1)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9035cc9d963cb84c8da6014a6e062f6b.png)
(3)
(4)
![](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/2193c95efaedd61ff49a7ff91df9e97a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093cbde3d3472d1f7f2b0dff2bc4881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/9c38edfcbc6d0348a9fc75376f629909.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a11863d06650c0adafb18d2909336e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9035cc9d963cb84c8da6014a6e062f6b.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6409ca7b7ab3c4aa4e0b9abc8d2cb066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749b06c4f14826c3b0a5b37e4356aa64.png)
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4卷引用:重庆市万州二中教育集团2022-2023学年高一上学期第一次质量检测数学试题
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名校
3 . 定义集合
,若集合
,集合
,则集合
的子集个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9b3791fba67effbbe360ee4720e59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522954ce536d559cf03638d87fad504c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6fd27be1b9cfab7495bf2780247b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5eeaa30850a2dd1abcb46208ac8b6a2.png)
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名校
4 . 若规定集合
的子集
为
的第
个子集,其中
,则
的第25个子集是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e5aed7975249d9f002b7c42d5992a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce77511c79d99d5bd76558f6d5247270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e57f8df7d211d292de2f684ef24e65a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2020-02-10更新
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6卷引用:上海市莘庄中学2019-2020学年高一上学期9月月考数学试题
上海市莘庄中学2019-2020学年高一上学期9月月考数学试题上海市浦东新区2016-2017学年高一上学期期中联考数学试题(已下线)专题03 集合的运算压轴题型-2021-2022学年高一《新题速递·数学》(人教A版2019)上海市宝山区海滨中学2017-2018学年高一上学期期中数学试题(已下线)上海市华东师范大学第二附属中学2022-2023学年高一上学期9月阶段测试数学试题(已下线)单元高难问题01集合中的新定义问题-【倍速学习法】(沪教版2020必修第一册)
5 . 集合
,
是
的一个子集,当
时,若
,
,则称
为
的一个“孤立元素”,那么
中无“孤立元素”的4元子集的个数是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b571ecde2ea892a129b9179640276d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7bab5c9e0c5d09cfe76979f397045b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bbcd2a731f4d4c2ac74d83c18868f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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16-17高一上·上海浦东新·阶段练习
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6 . 集合
有
个元素,设
的所有非空子集为
,每一个
中所有元素乘积为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece6dcdaae3dcc2f690e08a8190cd0d8.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1270c36996f27fdff81b6d81e26f78e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d88d32b64df6bd35c5081e6144a02f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bedfdfc0df673b8f8851df598a7f779f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a19d1b9e98e551f998ea32183de2d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece6dcdaae3dcc2f690e08a8190cd0d8.png)
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2019高一·浙江·专题练习
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7 . 设
是两个非空集合,定义集合间的一种运算“
”:
,如果
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c29b1b0eed422bb1e0202e7ef97f5ed.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091e86ca89e484b331fd90125a5e5af3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82d3be7eae2cd1637c78a164514b6f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddcebc6710afcc3eac6fd325a3c35541.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa3dd904907935c8e9b4fd9abf0f266e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c29b1b0eed422bb1e0202e7ef97f5ed.png)
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2020-01-06更新
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196次组卷
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4卷引用:专题01 集合-2022年高考数学一轮复习小题多维练(新高考版)
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8 . 设A,B是非空集合,定义
,已知A=
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba74aeff97a213429261aed5b7a4b965.png)
____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/106caf00d6cc571787fa99fee92795ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5752e2c68c9a55e3ca8c540fe2b9780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba74aeff97a213429261aed5b7a4b965.png)
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名校
9 . 对于集合
,定义函数
,对于两个集合
,定义集合
. 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb41c7f5fd705222dbae9d0b37b377.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a5f27a030f42302338fb5dd947542f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf158f5e8b2b5eb06dc5432824ce95b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a50803e737333db5b586113c6e11cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0893a310fb304e6a20881751806a811.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb41c7f5fd705222dbae9d0b37b377.png)
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10 . 已知全集
,集合
,
,则如图所示的阴影部分表示的集合是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995370f5d35c523064625ab8f6340d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784fa344a45b4e44e9ff13e3012f3390.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/11/1aa20e16-a6ed-4546-bceb-de808036794f.png?resizew=140)
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