名校
1 . 设集合
,满足下列性质的集合称为“翔集合”:集合至少含有两个元素,且集合内任意两个元素之差的绝对值大于2.则A的子集中有___________ 个“翔集合”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c888363bcc23fb20f3a36ba34f0a7d7d.png)
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2021-09-16更新
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1470次组卷
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5卷引用:全国高中数学联赛模拟试题(十四)
全国高中数学联赛模拟试题(十四)浙江金华第一中学2022-2023学年高三下学期3月月考数学试题湖南省岳阳市2022-2023学年高一下学期期中数学试题(已下线)人教A版高一上学期【第一次月考卷】-【满分全攻略】(人教A版2019必修第一册)(已下线)新题型02 新高考新结构竞赛题型十五大考点汇总-1
2 . 已知数列
满足
.则
的值_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db727d240eb5181f8c5fd5e5b60c2706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca3cee4a3127804ba59c39fc4225c6bc.png)
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解题方法
3 . 设数列
中,
(a为非零实数),则数列
的通项为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85cc4b12b2d4b577233f34c5b101e270.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f832a10c7705d514072ffc7ce53fdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85cc4b12b2d4b577233f34c5b101e270.png)
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4 .
为正整数列,满足
为
的最小素因子,
,构成集合A,P为所有质数构成的集合,则集合
的最小元素为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/957946f17b58b1565f6dd4f77271f3c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f987fe0fdcf2b38153fe7390b48012f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da18ad56af5e38b1a5b73f44ba198fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a784125bf7ffd86d8681c2c1a3cacf4d.png)
您最近一年使用:0次
5 . 已知定义在
上的函数
满足
,若
,则方程
的整数解的个数为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c807c666caab2d5b917e090828443e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb66be0e914347d4fa3b15aa045693dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
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解题方法
6 . 正整数数列
的前
项和是
,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f91a48404dc29166d712d211e90cfa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a50f815f27b1c935fe28935cb2d3ff.png)
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7 . 已知数列
满足:
,且当
为偶数时,
;当
为奇数时,
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f33cd1fb2a3a773dbed842a007c6cbc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd4ac585f99d00780dbf53b60ccc5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab02ab01dc1ab8c9201dd876286ffd37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0d29f34218cd60cc6e9ce4dcd13925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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8 . 若数列
是首项不为零的等差数列,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eddd052960292d23fcf6f30b16f936c.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eddd052960292d23fcf6f30b16f936c.png)
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解题方法
9 . 设数列
的首项
,且
求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa36c6f0bda099f69a18671da5184793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348bc4f2d1ea0adf02a42b0a374c95ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
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20-21高二上·全国·课后作业
10 . A是集合{1,2,3,…,14}的子集,从A中任取3个元素,由小到大排列之后都不能构成等差数列,则A中元素个数的最大值是__ .
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