名校
1 . 已知
是满足下列条件的集合:①
②若
,则
,③若
且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ac8248bb70f9ef5b0cb7d025e05160.png)
(1)判断
是否正确,说明理由
(2)证明:若
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c4dffdf9c06c0d11d0410f194afc8c.png)
(3)证明:若
则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f17b77451caf220bd4808446c5c79e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9661053f3ef4cfa926e5d5fd5c6555f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c443466385f21cd3f06e2e4229add79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ac8248bb70f9ef5b0cb7d025e05160.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3143beb0df5feff68bf6dd94fdfd6b5b.png)
(2)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9661053f3ef4cfa926e5d5fd5c6555f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c4dffdf9c06c0d11d0410f194afc8c.png)
(3)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9661053f3ef4cfa926e5d5fd5c6555f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f06a4a9deb51418c20e7e7376cc807.png)
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2020-10-23更新
|
572次组卷
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6卷引用:北京市海淀区北京医学院附属中学2021-2022学年高一10月月考数学试题
北京市海淀区北京医学院附属中学2021-2022学年高一10月月考数学试题北京师范大学附属中学2019-2020学年高一上学期数学第一次月考试题上海奉贤区曙光中学2020-2021学年高一上学期10月月考数学试题沪教版(2020) 必修第一册 精准辅导 第1章 1.1(1) 集合(已下线)1.1集合初步(第1课时)-高一数学同步精品课堂(沪教版2020必修第一册)(已下线)1.1 集合的概念及特征(精练)《一隅三反》系列
名校
2 . 设有二元关系
,已知曲线
.
(1)若
时,正方形
的四个顶点均在曲线
上,求正方形
的面积;
(2)设曲线
与
轴的交点是
,抛物线
与
轴的交点是
,直线
与曲线
交于
,直线
与曲线
交于
,求证直线
过定点,并求该定点的坐标;
(3)设曲线
与
轴的交点是
,
,可知动点
在某确定的曲线
上运动,曲线
上与上述曲线
在
时共有4个交点,其坐标分别是
、
、
、
,集合
的所有非空子集设为
,将
中的所有元素相加(若
只有一个元素,则和是其自身)得到255个数
,求所有正整数
的值,使得
是一个与变数
及变数
均无关的常数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/489a58805c72dcadc4abd8c4588165d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912af898055c5dabdf767a3cf7b2d8f2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8636fedba520535bd22f80a257cce15b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c015d99f2677951bdcd0447240ef93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4a63d14654c66cc71bf26293d698ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(3)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa5463bb430fa36159237b0238363c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccfbe53ce5fd04beb18203214b662573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3fd0f89e7a74e6a1269ea3f60383f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7351e10351e2216540c194735cb24039.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0db9725b166638962758593bff482a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d10abb19c5f496ed322c2f4bcd5cfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a25362614aa93807f5bc0adec1f585b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e27aa0c05e4f20fd9b06ec3aec7c9a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac2a1b17f01e120dc4d1b35db181269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc00379c7af113543302417b685c7d6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc00379c7af113543302417b685c7d6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad9f4dff95110a7ca7386523010b422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92784299c483916224b45d36c5e82363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b49387212190fca877a8f280aa4c37.png)
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2020-01-02更新
|
487次组卷
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3卷引用:上海市金山中学2022届高三上学期9月月考数学试题
3 . 已知数集
,其中
,且
,若对
,
与
两数中至少有一个属于
,则称数集
具有性质
.
(1)分别判断数集
与数集
是否具有性质
,说明理由;
(2)已知数集
具有性质
,判断数列
,
,…,
是否为等差数列,若是等差数列,请证明;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea7fcdb5423c1c8c032a3efcf245682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c1d125b49fe60bc9796cf7d72e9170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550e79a4d9c549c9e28bbf30f74e24d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3541598c0e0e6d5050c5a562515c430e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13ee542834ccbb57fcc55b1680ca9db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)分别判断数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1906b96e054c5e74d295b61149a36b4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80ef5ce9b1b2850e4a95e7c0ce44bac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)已知数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7152dfaf58cc9ff3df8c3d1ac7c435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7da2f386b78cdf6489efaa2f5820d3e.png)
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4 . 若集合
,
满足
,则称
为集合
的一种分拆,并规定:当且仅当
时,
与
为集合
的同一种分拆.
(1)集合
的不同分拆种数为多少?
(2)集合
的不同分拆种数为多少?
(3)由上述两题归纳一般的情形:集合
的不同分拆种数为多少?(不必证明)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ce527c10bc77b99dd01ba9343188a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d7a2eff9ab8dcfcaaeb7e87596db6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98816a922b6dd4704b3f95adc77cb7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d7a2eff9ab8dcfcaaeb7e87596db6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a0f3e318553da2186202526b8f0dc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a65436c7b6ddae2e0694d40925cc41e.png)
(2)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fef194908bc9c19e5bce0a38c99e43.png)
(3)由上述两题归纳一般的情形:集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3f090142bfa3bcb90ecdb3ee904e88.png)
您最近一年使用:0次
2020-01-09更新
|
190次组卷
|
3卷引用:上海市嘉定区上海大学附属嘉定高级中学2021-2022学年高一上学期10月月考数学试题
上海市嘉定区上海大学附属嘉定高级中学2021-2022学年高一上学期10月月考数学试题上海市宝山中学2017-2018学年高一上学期10月月考数学试题(已下线)专题02+集合初步(2)集合的运算-2020-2021学年新教材高一数学秋季辅导讲义(沪教版2020)
5 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3da1622fd45abbb7c8de0c88e7956e.png)
,对于
,
,定义A与B的差为
;A与B之间的距离为
.
(I)若
,试写出所有可能的A,B;
(II)
,证明:
(i)
;
(ii)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2814197b2f57be423f756e7f5cd8c6a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d00142a30916b2c563b15d4ef4cd5c.png)
三个数中至少有一个是偶数;
(III)设
,
中有m(
,且为奇数)个元素,记P中所有两元素间距离的平均值为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3da1622fd45abbb7c8de0c88e7956e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/855ce769f6795d1463744a0d74901fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932e8ec84cfecd3642e74fa987d789af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c76f1774902da4c8da18791b5a35c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f960a435af66d6f53c96cf5d0d7ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2323a679e8e151769dd5dda4678de22.png)
(I)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91753ab4b8edae53e1947f25d3a0bddd.png)
(II)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5318f129bfbfca89f51c03144251ce79.png)
(i)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8513f18376e4e456b939d0f1cdb6e602.png)
(ii)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2814197b2f57be423f756e7f5cd8c6a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d00142a30916b2c563b15d4ef4cd5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab2029064842c2c77fc20f69c402cd6.png)
(III)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2b280a6a65c9bf2f20cad5d1106080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bda892497cea43df67db57b4e2a07a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61a3abd64b3a560384a51e2d7c171aa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc589d2e2848264dd6c1fdb18ae91b2.png)
您最近一年使用:0次
2020-04-28更新
|
723次组卷
|
2卷引用:北京市中关村中学2021届高三3月月考数学试题
名校
6 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bc24b06e0abd218044a27f597fa9e5.png)
.对于
,
,定义
与
之间的距离为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a724e5071732f90d91d468389e8e956a.png)
.
(1)写出
中的所有元素,并求两元素间的距离的最大值;
(2)若集合
满足:
,且任意两元素间的距离均为2,求集合
中元素个数的最大值并写出此时的集合
;
(3)设集合
,
中有
个元素,记
中所有两元素间的距离的平均值为
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bc24b06e0abd218044a27f597fa9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/855ce769f6795d1463744a0d74901fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f0f12e1350ca9c2a81b6c36a840365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3bd6eccfd88084fd4b0c89c4c709d7f.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/a724e5071732f90d91d468389e8e956a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3244bd0e909db80eb9e3ea79303b8351.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f20f21a9d50b61dac519a3ddab539d.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b626a2cad742c6613dc283fdab1e833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d7fa8a17135961c9c582f11d2e16cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1071ac8657ef1c4e1ea7e0530196298d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423cc16756424271a003917fbca775b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b67a5d723be5756086feeff090fe693.png)
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2017-04-06更新
|
958次组卷
|
2卷引用:北京市第八十中学2022届高三上学期10月月考数学试题
名校
7 . 设集合
满足若
,则
.
(1)若
,则
中至少还有几个元素?求出这几个元素.
(2)
能否为单元素集合?请说明理由.
(3)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd268d6ddbb399da49fd124a38ae05f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d36e6f98ce73926fe1249c1f9dc7e9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a92ba9085f0e167023c4e27236ed539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd268d6ddbb399da49fd124a38ae05f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d36e6f98ce73926fe1249c1f9dc7e9.png)
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2卷引用:江西省南城第二中学2021-2022学年高一上学期第一次月考数学试题
8 . 已知集合
,其中
,由
中的元素构成两个相应的集合:
,
.
其中
是有序数对,集合
和
中的元素个数分别为
和
.
若对于任意的
,总有
,则称集合
具有性质
.
(Ⅰ)检验集合
与
是否具有性质
并对其中具有性质
的集合,写出相应的集合
和
.
(Ⅱ)对任何具有性质
的集合
,证明
.
(Ⅲ)判断
和
的大小关系,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8213c48030bc2cfa88da0f2a28aca2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d807832357bea22a266e63cbd7e678a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976ed3659749e70adb41abe4030b6ef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604a1abd24826ba48fe69d714b1b16d0.png)
其中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc020b0997a2f37b214718112b79d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a2cacc52ffe015e828a4a5f2fe5ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(Ⅰ)检验集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e565001c699e5e221ed616dd7be2bb83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0110544a65399ad66980adc3667b8b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(Ⅱ)对任何具有性质
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca7597aeef0ed7313f6f78b9658ea5e.png)
(Ⅲ)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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11卷引用:上海市复兴高级中学2021-2022学年高一上学期10月月考数学试题
上海市复兴高级中学2021-2022学年高一上学期10月月考数学试题上海市大同中学2018-2019学年高一上学期10月学情调研数学试题北京市第二中学2021届高三高考模拟数学试题北京市第十三中学2022届高三上学期开学考数学试题2007年普通高等学校招生全国统一考试理科数学卷(北京)北京东城27中学2018届高三上学期期中考试数学试题北师大附中2017-2018学年高一下学期期末数学试题1北师大附中2017-2018学年高一下学期期末数学试题2北京市朝阳区北京中学2022-2023学年高一上学期期中数学试题2007 年普通高等学校招生考试数学(理)试题(北京卷)北京名校2023届高三二轮复习 专题三 集合与数列 第3讲 集合与数列创新题