1 . 将正方形
分割成
个全等的小正方形(图1、图2分别给出了
的情形),在每个正方形的顶点各放置一个数,使位于正方形
的四边及平行于某边的任一直线上的数都分别依次成等差数列.若顶点
处的四个数互不相同且和为1,记所有顶点上的数和为
,则有
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/022205c82846dfa3420c67402a278fea.png)
______ ,…,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d64205bb7d470602fb525b02e72a81b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188ba12941ea122a7775a4999e129161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d15d4afcc5736bb747eeffcffd3f4464.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e345e86daf74312a6992e5d1c3f47f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf8c7f5f6a35f7ed88271a077619aef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/022205c82846dfa3420c67402a278fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d64205bb7d470602fb525b02e72a81b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/29/8a0dc8d3-051d-4666-9a45-8e1c699ed7bd.png?resizew=254)
您最近一年使用:0次
名校
2 . 牛顿和拉弗森在17世纪提出了“牛顿迭代法”,相比二分法可以更快速的给出近似值,至今仍在计算机等学科中被广泛应用. 如图,设
是方程
的根,选取
作为
初始近似值.过点
作曲线
在
处的切线,切线方程为
,当
时,称
与
轴的交点的横坐标
是
的1次近似值;过点
作曲线
在
处的切线,切线方程为
,当
时,称
与
轴的交点的横坐标
是
的2次近似值;重复以上过程,得到
的近似值序列
. 这就是所谓的“牛顿迭代法”.
,
时,
的
次近似值
与
次近似值
可建立等式关系:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900b761601b287db30957e90023b6140.png)
______ ;
(2)若取
作为
的初始近似值,根据牛顿迭代法,计算
的2次近似值为______ (用分数表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b7bff9b2431134f7683a9cc4e68acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8559f5db9b978cb2bd290dbce7268629.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8559f5db9b978cb2bd290dbce7268629.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b7cd05630d897f9c39b0e155442a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24a2c53e3b0b1c08803e95419f909d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24a2c53e3b0b1c08803e95419f909d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c710337693d26995d09565d594db65b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fd18a909cecbaee7115d6b15631d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd0f1529d1461936793fad9582f60d22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a11b8baa52b0907ec8638530f1a388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002f56900c2924bfd79fc3865b0a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900b761601b287db30957e90023b6140.png)
(2)若取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c5603d29560e66b2293cea1e3b02289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
您最近一年使用:0次
2024高二·全国·专题练习
解题方法
3 . 意大利数学家列昂那多斐波那契以兔子繁殖为例,引入“兔子数列”:1,1,2,3,5,8,13,21,34,55,
,即
,
,此数列在现代物理“准晶体结构”、化学等领域都有着广泛的应用.若此数列被2除后的余数构成一个新数列
,则数列
的前2024项的和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e5531913e2f170465d8df01795cd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b290971efaf65804cc756c038c43fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e7db4981d916e3373a6d023e0fcc57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
A.1348 | B.675 | C.1349 | D.1350 |
您最近一年使用:0次
2024-03-09更新
|
228次组卷
|
4卷引用:模块五 专题5 全真拔高模拟5(北师大高二期中)
(已下线)模块五 专题5 全真拔高模拟5(北师大高二期中)(已下线)1.5 数学归纳法7种常见考法归类(2)四川省达州外国语学校2023-2024学年高二下学期3月月考数学试题广西''贵百河“2023-2024学年高二下学期4月新高考月考测试数学试卷
4 . 设数列
,
为
的满足下列性质
的排列
的个数,性质T:排列中仅存在一个
,使得
.
(1)求
的值,并写出
时其中一种排列的情形.
(2)若
,求满足性质
的所有排列的情形.
(3)求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b3c6f8a0d8adcd7bb9cb3d0214c8f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e260b088f071983f254ce8f5163fcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd7b19b82b9c52bccc2d326c151962da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535577e9213fa6b2a2bed70460fc4077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6bc6e1861d56ea5eb320e6c569338e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8800620cdf97b3db972d64ab8e4886.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2f1c1409a06278e847e6b573cef254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368691ff6590140094865d9a7a702d09.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c03a70f7cba93600ed0a3164efadbcc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(3)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
您最近一年使用:0次
5 .
,
,
,…,若
(a,b均为实数),请推测![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912fb9e87d1ba443de3706d6d6520c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cfe3ac71eb9e6e20846fa092da7ba68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f854c72c35f65fc424e52fc4646cc71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f693d302410b6cf92ed307ae918824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
您最近一年使用:0次
6 . 根据下述事实,写出一个含有量词的全称量词真命题或存在量词的真命题:________
,
,
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c904e397a2854240e74510bb477e18.png)
……
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1db1c8f88c5de20586db0cde44d3e28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c94bed97397edf43702cba40b6aec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6dbfcc045a5631d9a2c080b18cc005a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c904e397a2854240e74510bb477e18.png)
……
您最近一年使用:0次
7 . 已知
:
为有穷数列.若对任意的
,都有
(规定
),则称
具有性质
.设
.
(1)判断数列
:1,0.1,-0.2,0.5,
:1,2,0.7,1.2,2是否具有性质P?若具有性质P,写出对应的集合
;
(2)若
具有性质
,证明:
;
(3)给定正整数
,对所有具有性质
的数列
,求
中元素个数的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a7c438854813f2ed9f8a1c60b35eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8ef78cc882ed9f321064e44b7f257c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7e9edf6d0468e0f8ca78b8bac63bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b740bc48c9718a294c11a1485fd14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46614bf79e50b81f49c1366de9799ba.png)
(1)判断数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e47cd514b2920609e3781c87df6ab70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5002f030017f6f0b34a61b2e15c5a9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e47cd514b2920609e3781c87df6ab70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed1adc648cc7d8fe7ac43df4b918f11.png)
(3)给定正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
2023-11-02更新
|
493次组卷
|
2卷引用:北京一零一中2023-2024学年高二上学期期中考试数学试题
8 . 将全体正整数排成一个三角形数阵:
1
3 2
6 5 4
10 9 8 7
……
按照以上排列的规律,第
行
从左向右的第1个数为__________ .
1
3 2
6 5 4
10 9 8 7
……
按照以上排列的规律,第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd432e2abf32a492b87a64728b2f57a5.png)
您最近一年使用:0次
9 . 观察下图数字,推断第十个图中五个数字之和为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/13/fd5ff890-03f0-4c71-801a-4d81aa3ca1c0.png?resizew=463)
A.233 | B.193 | C.169 | D.219 |
您最近一年使用:0次
10 . 观察下列算式:
,用你所发现的规律可得
的末位数字是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c7917d1d65db0effefbac2d600122a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909e84920c6f33b3bbb97a25b42bb840.png)
A.8 | B.6 | C.4 | D.2 |
您最近一年使用:0次