名校
1 . 设定义在
上的函数
的值域为A,若集合A为有限集,且对任意
,存在
,使得
,则满足条件的集合A的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5223ece2f8f76850c49e2505304532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538bf484d4428e4eb0f5f23ca8424ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f55898443df4490e50b1f893ddbfc54.png)
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2 . 已知集合
,记集合
的元素个数为
.当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056d6e45df3b36b7ace1c1e0d3f16d8d.png)
__________ (用数字表示);当
(
且
)时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056d6e45df3b36b7ace1c1e0d3f16d8d.png)
__________ .(用含有
的式子表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2590bb37cb7630923a429d4a1d847efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8b3217efbef2d705f5beedb40c1fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ddbd996153d8fa0640bae56e0328c04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056d6e45df3b36b7ace1c1e0d3f16d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98de99e0441b45f322a34566393e022f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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解题方法
3 . 从集合
的子集中选出
个不同的子集
,且
,则选法有_________ 种.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ad8810256459629f91882918fd45597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae1567d8f98fabc1a3948f8602cc5e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
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4 . 若
是一个集合,
是一个以
的某些子集为元素的集合,且满足:①
属于
,空集
属于
;②
中任意多个元素的并集属于
;③
中任意多个元素的交集属于
,则称
是集合
上的一个拓扑.已知函数
,其中[x]表示不大于
的最大整数,当
时,函数
值域为集合
,则集合
上的含有4个元素的拓扑
的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89d1c17a43495542eaade6426cf4c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
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2024-04-29更新
|
182次组卷
|
2卷引用:浙江省温州新力量联盟2023-2024学年高二下学期4月期中考试数学试题
名校
5 . 已知函数
的图象关于直线
对称,若集合
中有两个元素,则正整数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026036d1ed5f1bad77e7b2ffd9daebef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86c847b5c596b715a770da97be96390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
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2024-03-27更新
|
106次组卷
|
2卷引用:上海市上海财经大学附属北郊高级中学2023-2024学年高三下学期期中考试数学试题
名校
6 . 斐波那契数列
,又称黄金分割数列,因数学家莱昂纳多·斐波那契
以兔子繁殖为例子而引入,故又称为“兔子数列”,指的是这样一个数列:1、1、2、3、5、8、13、21、34、…,在数学上,斐波那契数列以如下递推的方式定义:
且
中,则B中所有元素之和为奇数的概率为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bccaa88e164614dd437e297d5d0c624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3f2603a789162210293b28fec105ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09503b06c61fdc1ad41b241a1b47b279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/928cd155cf20033821c58ab602111bd6.png)
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2024-02-27更新
|
1597次组卷
|
6卷引用:福建省宁化第一中学2023-2024学年高二下学期第一次阶段考试数学试题
福建省宁化第一中学2023-2024学年高二下学期第一次阶段考试数学试题江西省重点中学协作体2024届高三一模数学试题(已下线)专题4 数列中的概率问题(已下线)【一题多变】斐波那契数列1(已下线)【讲】 专题8 斐波那契数列(已下线)压轴题05数列压轴题15题型汇总-2
名校
解题方法
7 . 定义集合
的“长度”是
,其中a,
R.已如集合
,
,且M,N都是集合
的子集,则集合
的“长度”的最小值是_____ ;若
,集合
的“长度”大于
,则n的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3296f5d3fbd7177849bbd7bd30fbd3a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd7701d084d2b153bbea08cfbf63413a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2532b1aa9a6b334d7395fc020bf0a6be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2512da0056b913e36a72419c91a5d8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640f4732df2e4b84c5e98b47e37d4e65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc8032a17aee665217899ed88652375.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
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8 . 已知函数
,记集合
,
,若
,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff89e1b2a00ef707ce48feba1ab419e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d5c23f0d6d358e48dc9bed91b07f63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fcd34b4fe3fad45fb9f00030ba18a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d02e5de0c92487382f4b98376e9740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-01-29更新
|
255次组卷
|
3卷引用:浙江省杭州第二中学2023-2024学年高一上学期期中考试数学试题
名校
解题方法
9 . 已知
表示不超过
的最大整数,例如:
,方程
的解集为
,集合
,且
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15da5e9c678215ca3fee3ac23ca1241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db89fe2125009846e87d1c81aabe1c3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3fd0150532f2e25112abdd3cc1911eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343324ebf9d6e86c42fbde0fbb94689d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10 . 已知正整数
,对集合
及其每一个非空子集
,记
,其中
,定义一个运算“交替和”
.例如:对于集合
,
.则当
时,集合
的所有子集的“交替和”的总和为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b315521745464732c0eb8c9bcc25aea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83dceca5fe4f16a0455490f0023bd9a7.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b315521745464732c0eb8c9bcc25aea3.png)
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