1 . 设函数
,定义集合
,集合
.
(1)若
,写出相应的集合
和
;
(2)若集合
,求出所有满足条件的
;
(3)若集合
只含有一个元素,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce5b409bb706df9ca1ccb27f893e2b6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0f90056bdaa86e0b862bde3dce36b53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a0c740c333f153ae2e9cdef157686b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8897aa03f96629b56ab1cc6c2398bb30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b5886cf72ed5a1073263eb9ff485c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b864bba6e36f6577c74799bb1c63303.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e76fcf1fb1bae5bfeb45951da12efb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b864bba6e36f6577c74799bb1c63303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a0bf834a9b75cdc4f9e868cd76e78e.png)
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2 . 若集合
,其中
和
是不同的数字,则A中所有元素的和为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac506f169ef6a4d0b90f708681c23d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.44 | B.110 | C.132 | D.143 |
您最近一年使用:0次
名校
3 . 设A是任意一个n元实数集合,令集合
,记集合B中的元素个数为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44950b9c10346c7ec5b62c3e277815a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8f054b30b493c4ce1deecff3468c08.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
2022-05-26更新
|
1578次组卷
|
4卷引用:浙江省杭州市学军中学2022届高三下学期5月模拟周末练数学试题
浙江省杭州市学军中学2022届高三下学期5月模拟周末练数学试题浙江省金华十校2021-2022学年高一下学期期末模拟数学试题(已下线)模块七 计数原理与统计概率-3(已下线)专题01 两个计数原理与排列组合(7类压轴题型)-【常考压轴题】2023-2024学年高二数学压轴题攻略(人教A版2019选择性必修第三册)
4 . 定义:不等式
的解集为
,若
中只有唯一整数,则称
为“和谐解集”.若关于
的不等式
在
上存在“和谐解集”,则实数
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66da24abd12f3146d78beb1ce5534c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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4卷引用:河北省部分名校2022届高三下学期5月联合模拟数学试题
解题方法
5 . 已知集合
.对集合A中的任意元素
,定义
,当正整数
时,定义
(约定
).
(1)若
,求
和
;
(2)若
满足
且
,求
的所有可能结果;
(3)是否存在正整数n使得对任意
都有
?若存在,求出n的所有取值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a02b715c992f112de2f9987c70a3df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af8284494c4f58fa852984085b35603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f3591879d4bacc70989aca85be2efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c54046ad997789682be07a1d47a3a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f88776c6c89617192c501dc7f5c9b46.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d64954772ca230b54f1072dc05fd1f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5977a625005a82318474380d6ede73e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df70ecf992ea644da971fe695ca36aa2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af8284494c4f58fa852984085b35603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b792bda20ea741c2507be50668572260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43354369f1a232b2bcb18fffbc00b989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(3)是否存在正整数n使得对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733699269e98fab0eee3b98e95a7072a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8bb7f8f7baedbe05c4a6c05f0b9e6d.png)
您最近一年使用:0次
2022-05-17更新
|
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|
4卷引用:北京市朝阳区2022届高三二模数学试题
6 . 设集合
,定义:集合
,集合
,集合
,分别用
,
表示集合S,T中元素的个数,则下列结论可能成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb9c3dc7834262985bef6355aa506cd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc95e3cf7d4dff2689ef15b266a59e45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7948f195bb25758d0284108b1b7b34ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d9ad629f8e742871ac2eb7c72b3a798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a4c1cc01a29960cd990ae81f1c80b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed8b92060201044355374332201a612.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
2600次组卷
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8卷引用:浙江省温州市2022届高三下学期5月三模数学试题
浙江省温州市2022届高三下学期5月三模数学试题(已下线)考点01 集合及其应用(文理)(已下线)专题01 集合-2(已下线)专题9-3 排列组合19种归类(理)(讲+练)-4(已下线)第01讲 集合(七大题型)(讲义)上海市普陀区曹杨第二中学2024届高三上学期期末数学试题浙江省湖州市第一中学2024届高三下学期新高考数学模拟试题(已下线)2024年高考数学二轮复习测试卷(上海专用)
7 . 定义:Leistra序列是一个由
,
,…,
,
组成的有限项序列,有如下性质:①每项
,
,…,
,
都是正偶数;②每项
,
,…,
,
通过将序列中的前一项除以一个10-50(包含10和50)之间的整数得到(对于一个特定序列,使用的除数不一定都相同);③10-50(包含10和50)之间没有整数m使得
是一个偶数(其中
为数列的最后一项).
(1)试判断序列1000、100、4和序列1000、200、4是否为Leistra序列?并说明理由;
(2)是否存在以首项
,末项
的Leistra序列?如果有,请写出所有的Leistra序列;如果没有,请说明理由;
(3)首项为
的Leistra序列有多少个?并说明理由.
![](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/a7230de53663c75658c58bbf206a0085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9240ce2c5ff0d732cc5999c4ea0bdbec.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/a7230de53663c75658c58bbf206a0085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7230de53663c75658c58bbf206a0085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551c361e8f96ebad6c4e847b6a7ace8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(1)试判断序列1000、100、4和序列1000、200、4是否为Leistra序列?并说明理由;
(2)是否存在以首项
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538b20cab34cfd8ded0e861ec315a195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34fd15570bcd1cc1228fd3929a7c3f42.png)
(3)首项为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5489378ab0dfd16d9543b20845b91d5.png)
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8 . 设
且
,集合
,若对
的任意
元子集
,都存在
,满足:
,
,且
为偶数,则称
为理想集,并将
的最小值记为
.
(1)当
时,是否存在理想集?若存在,求出相应的
;若不存在,请说明理由;
(2)当
时,是否存在理想集?若存在,直接写出对应的
以及满足条件的
;若不存在,请说明理由;
(3)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a40142c84be68ee2918c3a8303388c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179de8d0ec06e96b2fa0ac16ede34e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76fbcfa1d6ec3bec5f131a8c953a705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd28f29074d36b6721a929eb217f9ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b73abfe4bc26b1ded680d7abb1a2cac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf538440bd45e5881f2b22994560ba7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76fbcfa1d6ec3bec5f131a8c953a705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76fbcfa1d6ec3bec5f131a8c953a705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
(3)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b58ca66d3e9ac1283703b5063ac9bea.png)
您最近一年使用:0次
9 . 设
,
,…,
,
,是
个互不相同的闭区间,若存在实数
使得
,则称这
个闭区间为聚合区间,
为该聚合区间的聚合点.
(1)已知
,
为聚合区间,求t的值;
(2)已知
,
,…,
,
为聚合区间.
(ⅰ)设
,
是该聚合区间的两个不同的聚合点.求证:存在k,
,使得
;
(ⅱ)若对任意p,q(
且p,
),都有
,
互不包含.求证:存在不同的i,
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d109268e15e8f04f94a6155e9432043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5843978e1e20fb7a901143839741cbf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fac9603f08a2388999d33306b7047b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12100db597992af7e546de75b4d3605b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff40cfd1abdbc307e21f7c8ba502b16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a12c01aaf24489a3285afd2ab6a7bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b54084cc62f8edcc4cce1b1ffb8b13b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7196435048015ab9fa4f9f90caf55e26.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d109268e15e8f04f94a6155e9432043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac4f4a5794941d335325cc5f1dd6a50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fac9603f08a2388999d33306b7047b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12100db597992af7e546de75b4d3605b.png)
(ⅰ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725dde58532f70e91baeb9ff90519c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d5b9ef2dcd314f0d85adeb77675558.png)
(ⅱ)若对任意p,q(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d14e88b76e8fbfed5a6b57a9e708fc21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cb953277188ba4f8b6511174f4c4081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f392d06cbc33ac357d3478a543ce030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c20895209100403cf486bc9413889f18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70216275cb366804f695c4cf54b0798f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba4514bef9609e94f709466af7091db.png)
您最近一年使用:0次
2022-04-27更新
|
1101次组卷
|
6卷引用:北京市丰台区2022届高三高考二模数学试题
北京市丰台区2022届高三高考二模数学试题(已下线)第01节 集合(好题帮)(已下线)专题01 集合与常用逻辑用语(讲义)-2023年高考数学一轮复习精讲精练宝典(新高考专用)北京市首都师范大学附属丽泽中学2023届高三下学期2月月考数学试题北京卷专题18数列(解答题)北京卷专题02集合(解答题)
10 . 对于正整数
,
,存在唯一一对整数
和
,使得
,
.特别地,当
时,称
能整除
,记作
,已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4920c1a7681e10fb6cadc38e97e6c550.png)
(1)存在
,使得
,试求
的值;
(2)求证.不存在这样的函数
:
,使得对任意的整数
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27822887caad20f3a075ca2fb74155c.png)
(3)若
,
(
指集合
中的元素的个数).且存在
,
,
,则称
为“和谐集”.判断:当
时,集合
中有12个元素并且含有
的任意子集是否都为“和谐集”,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc44be06f0c814035e7dfe1d6b8fe64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/628504e14b3c2ea172a02484a727bca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0116e1383a146ef6406d514764e87666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8954edf77bd075dfb0c3b97a02c55ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4920c1a7681e10fb6cadc38e97e6c550.png)
(1)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a55fa242ba35478b111f2bbffac589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/767992f5013f9e1b4d37e51f884d3640.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
(2)求证.不存在这样的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c7403a619d584956f21284ddc23fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3830ea6ea58c99a0fc1adadccac0fab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b364ee7c2d8705c4efd99da8184ef4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27822887caad20f3a075ca2fb74155c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf34614d82a90cc1e587eaa5e11753e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9195b943cc9f227f6affa59a601cc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b5393742efe51da907dd21e66618bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5556dd86322752a457b3a6ba979c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8954edf77bd075dfb0c3b97a02c55ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6caddd958ae597c7a1f8f6a9ee2a3200.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-04-09更新
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211次组卷
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2卷引用:北京市第五中学2021-2022学年高一3月第一次阶段检测数学试题