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2020朝阳.md

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期中

![[Pasted image 20201106120302.png]]

形式:[[数列]]

关键词:[[无穷数列]] [[绝对值]] [[绝对值之差]] [[无穷多项]] [[整数]]

期末

![[Pasted image 20201104125156.png]]

形式:[[数列]]

关键词:[[递推公式]] [[正整数]] [[奇数偶数]] [[单调性]] [[递增]]

题目背景:Collatz猜想

类似的: 西城2010![[Pasted image 20210324144036.png]] [[2019丰台#一模]] [[2020延庆、密云、怀柔、顺义、平谷、通州#延庆]] 2020首师附4月月考 ![[Pasted image 20201106085601.png]] [[2014海淀]] ![[Pasted image 20201106103556.png]] ![[Pasted image 20201120112542.png]] ![[Pasted image 20201120112556.png]] ![[Pasted image 20201120112610.png]]

上海2008 ![[Pasted image 20201104125448.png]] ![[Pasted image 20201104125458.png]] ![[Pasted image 20201104125525.png]] ![[Pasted image 20201104125535.png]] ![[Pasted image 20201104125547.png]] ![[Pasted image 20201104125559.png]]

一模

![[Pasted image 20201104125944.png]] 形式: [[数列]][[集合]] 关键词: [[正整数]] [[排序]] [[两数之和]] [[最小值]] [[性质]]

题目背景:鸽巢原理,加性数论,无序中的有序 有本数论书里讲了这个定理,

相关题目: ![[Pasted image 20201106092426.png]]

二模

![[Pasted image 20201104130305.png]] 形式: [[集合]] 关键词: [[整除]] [[各数之和]] [[数对]] [[最大值]]

参考: [[2015北京高考]] [[2019朝阳#期末]]