名校
解题方法
1 . 已知斐波那契数列:1,1,2,3,5,8,13,21,34,55,…的第
个数记为
,则
,
,已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c6530eb342f81833f40922711a3dbd.png)
______ .(用含
,
的代数式表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157e55df96e0c1d1fd2663a469467b52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7885a0090b2cab1a7501209f691747c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3501d2c812358571d24ff7b4af0a2276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dc977cdce5b10ab1fd62d33fa650edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2658dfed798294e1c9f830349a9a4499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c6530eb342f81833f40922711a3dbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2 . 平面内
条直线可以将平面分成若干块区域,记分成的区域数的最大值为
,则数列
的前
项和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099a64d86bd0b4602578d910322adc1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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3 . 裂项求和
把数列的通项拆成两项之差,在求和时中间的一些项可以相互抵消,从而求得前
项和.
裂项时常用的五种变形:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac067a9b66a44acd5abaa0c021b5e3e5.png)
______
;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d06787f1848280ca6ca23d14da193321.png)
______ .
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4efaa1a53624d5942626cf9bddc288d3.png)
______
;
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235c44b3845afe108250918d8b41a339.png)
______ .
(5)若数列
是等差数列,且公差
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ade8d55a7d63674831f8c559ab5707.png)
______ .
把数列的通项拆成两项之差,在求和时中间的一些项可以相互抵消,从而求得前
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
裂项时常用的五种变形:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac067a9b66a44acd5abaa0c021b5e3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3cb77304ba3546c1fc629832f1b811f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d06787f1848280ca6ca23d14da193321.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4efaa1a53624d5942626cf9bddc288d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3cb77304ba3546c1fc629832f1b811f.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235c44b3845afe108250918d8b41a339.png)
(5)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812be9806122241c476ba1db516c4823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ade8d55a7d63674831f8c559ab5707.png)
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4 . 歌德巴赫(Goldbach.C.德.1690-1764)曾研究过“所有形如
(
为正整数)的分数之和”问题.为了便于表述,引入记号:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2da8d9ed1f1272096a8de7a95e5b4c.png)
写出你对此问题的研究结论:______ (用数学符号表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff688910eada85eada17507ee7a4d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2da8d9ed1f1272096a8de7a95e5b4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a52efdd3bc68df4fae79bd8d0a16729e.png)
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解题方法
5 . 完成下列表格:
递推关系 | 求法 | 名称 |
![]() | ![]() | 累加 |
![]() | ![]() | 累乘 |
![]() | ![]() | 取倒数 |
![]() | ![]() | 构造法 |
![]() | 利用![]() | 转化法 |
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名校
解题方法
6 . 设
是正整数,且
,数列
满足:
,
,
,数列
的前
项和为
.给出下列四个结论:①数列
为单调递增数列,且各项均为正数;②数列
为单调递增数列,且各项均为正数;③对任意正整数,
,
;④对任意正整数
,
.其中,所有正确结论的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7716dff03ff2a1a7420cf3451519cffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b55182088570d2606a642706e0f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7894c0890ac3df3ede6958d880a16ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b3bbdb9c8edb42414555321d891d53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dcb1ddb73e4087f8cfcc40eead8b893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0a9523f2084cf17b8656c11ab1d95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad4546b288340a9393260ed532171518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dcb1ddb73e4087f8cfcc40eead8b893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880996ca2d4b2160cb2e0e578428f8f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a350f688805c94a69b06dd24d2190b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/567521d7098fa6a8d73b2f86970d2fed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3958448876d9f13a4f5108eb889a84a7.png)
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2023-07-10更新
|
635次组卷
|
5卷引用:北京市丰台区2022~2023学年高二下学期期末数学试题
北京市丰台区2022~2023学年高二下学期期末数学试题(已下线)第4章 数列 单元综合检测(难点)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)(已下线)北京市第四中学2023-2024学年高三下学期阶段性测试(零模)数学试题【北京专用】专题01数列(第一部分)-高二上学期名校期末好题汇编(已下线)专题02 等比数列4种常考题型归类【好题汇编】-备战2023-2024学年高二数学下学期期末真题分类汇编(北京专用)
名校
7 . 已知当
时,不等式
有解,则实数
的取值范围是______ ;根据前面不等式,当
时,满足
恒成立,则实数
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c21ed2dfd738102b53e94c689e4ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df138b2319e758d5611be9c2b54c914c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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名校
解题方法
8 . 已知
的周期
,将f(x)的图象向右平移
个单位长度得到
的图象.记
与
在y轴左侧的交点依次为
,
……
,在y轴右侧的交点依次为
,
……
,O为坐标原点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ec7893fce943b2d565df19cfa79dabe.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f77d94823f7084256ddc659f94323cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7825eb57ef8a7f2021fa1859a914c4e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](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/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f5c583c98a1fd516c6ceaa60b55dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ec7893fce943b2d565df19cfa79dabe.png)
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9 . 一只蚂蚁在四面体上从一个顶点等可能地爬向其余顶点,若其爬X次后的位置是出发点(可以继续爬),则当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac87b4bd71432d757c7b78bbd6b2dcfd.png)
__________ (用n表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663def85ac050777087df2772eee6b16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac87b4bd71432d757c7b78bbd6b2dcfd.png)
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10 . 南宋的数学家杨辉“善于把已知形状、大小的几何图形的求面积、体积的连续量问题转化为离散量的垛积问题”,在他的专著《详解九章算法•商功》中,杨辉将堆垜与相应立体图形作类比,推导出了三角垛、方垛、刍童垛等的公式,例如三角垛指的是如图顶层放1个,第二层放3个,第三层放6个,第四层放10个
第n层放
个物体堆成的堆垛,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72d825d53afdb2fa9841ecce06719f8.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee7bb49247387a9028602315729f8d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72d825d53afdb2fa9841ecce06719f8.png)
![](https://img.xkw.com/dksih/QBM/2022/11/9/3106061296279552/3106547585941504/STEM/cc8f1e087ed94c14ba74843907842494.png?resizew=109)
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