名校
解题方法
1 . 已知公差不为零的等差数列
和等比数列
,满足
,
,
.
(1)求数列
、
的通项公式:
(2)记数列
的前n项和为
.若
表示不大于m的正整数的个数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326beb81206b2f6c2d3f818ede098325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd84b97d447fed79b93238c19333a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/492eaac6d400ec08cc74d3497d849bd8.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)记数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2767882820f4ba0defde0e412adb747f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf7b7d7a57bf868ea5986c12cf3accfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18f823c279b9084e8512a4ab92a5cd9.png)
您最近一年使用:0次
2022-03-31更新
|
742次组卷
|
5卷引用:湖南省邵阳市第二中学2022-2023学年高三上学期第五次月考数学试题
名校
解题方法
2 . 若数列
满足:对
,都有
(常数),则称数列
是公差为d的“准等差数列”.
(1)数列
中,
,对
,都有
.求证:数列
为“准等差数列”,并求其通项公式
;
(2)数列
满足:
.将(1)中数列
中的项按原有的顺序插入数列
中,使
与
之间插入
项,形成新数列
.求数列
前100项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ada944e5c757ad9195dd847f821f74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7560f4a79ada0f11dd6b93bf5701130e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
(1)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ada944e5c757ad9195dd847f821f74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e4bd11e989a039e3c4a2c6236b1dcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(2)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267c99ff3f6386113dbaa7b1e49612da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233427826eb2233641fc3a9805f6d206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f0264a379802edcf7d2a030f02606e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98aa5f1acb67ec4580d240c2525e4d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ef8539a7a09303a95b4e79fb9949fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ef8539a7a09303a95b4e79fb9949fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c9965a04c2a6de04e949a15762f372.png)
您最近一年使用:0次
2022-03-19更新
|
1288次组卷
|
3卷引用:湖南省长沙市第一中学2022届高三下学期月考(八)数学试题
名校
解题方法
3 . 用
表示自然数
的所有正因数中最大的那个奇数,例如:9的正因数有1、3、9,
,10的正因数有1、2、5、10,
.记
,则(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054691f6814632788df468ea28b0c663.png)
______ .(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ae5ae56a0293f54c977dee4aaa60368.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971ea1d21d48c4e9a02f633eaada730f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e4bbad78eae5d4c694004f33b2ea52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3589cdada38ea373a29824d5306fbf19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9218b28243a6183765b50e588e1dc76d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054691f6814632788df468ea28b0c663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ae5ae56a0293f54c977dee4aaa60368.png)
您最近一年使用:0次
2022-03-18更新
|
1232次组卷
|
5卷引用:湖南省2022届高三下学期3月调研考试数学试题
名校
4 . 已知有穷数列
的各项均不相等,将
的项从大到小重新排序后相应的项数构成新数列
,称
为
的“序数列”.例如,数列
、
、
满足
,则其“序数列”
为1、3、2,若两个不同数列的“序数列”相同,则称这两个数列互为“保序数列”.
(1)若数列
、
、
的“序数列”为2、3、1,求实数x的取值范围;
(2)若项数均为2021的数列
、
互为“保序数列”,其通项公式分别为
,
(t为常数),求实数t的取值范围;
(3)设
,其中p、q是实常数,且
,记数列
的前n项和为
,若当正整数
时,数列
的前k项与数列
的前k项(都按原来的顺序)总是互为“保序数列”,求p、q满足的条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960b682f983b053dc9064cf29c97e250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960b682f983b053dc9064cf29c97e250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c75058db8f3bce88c1ffd4eadf5f40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960b682f983b053dc9064cf29c97e250.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74fb1673b00229f4a9ba85fcf1e61d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65dc741612591192478ea0d1691e1b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
(2)若项数均为2021的数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1165edc23b5782b5942ef7e79130bb94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96c823084e586b1fea9e400e842a6e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b088cbabf546dd45f6218ea8d54926.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78cf45b8ebde48fe0771d7ac53c7fa77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d40ed6365809e9b4fa38fcb8850e75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835c74bbb8c61dd2d2f008664a8c8810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/846fa57d92d6ad44d6a0cafad1e71ed4.png)
您最近一年使用:0次
2021-12-24更新
|
750次组卷
|
5卷引用:湖南省衡阳市第八中学2024届高三适应性考试数学试题
湖南省衡阳市第八中学2024届高三适应性考试数学试题上海市金山区2022届高三上学期一模数学试题(已下线)数学-2022年高考押题预测卷02(上海专用)(已下线)压轴题05数列压轴题15题型汇总-1上海市虹口高级中学2023-2024学年高二上学期期末考试数学试题
5 . 如果数列
每一项都是正数,且对任意不小于2的正整数
满足
,则称数列
具有性质
.
(1)若
(
均为正实数),判断数列
是否具有性质
;
(2)若数列
都具有性质
,证明:数列
也具有性质
;
(3)设实数
,方程
的两根为
,若
对任意
恒成立,求所有满足条件的
.
![](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/c909908c90cd5f9e1b382d26054a2308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5901564683f8ac8bbeca9eed0f1efe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1663c2afe8ae502dda1f167acd6373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f50ac3b1d543e1a09eb9e84da4f5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f50ac3b1d543e1a09eb9e84da4f5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71df5f58e9d13751076080f7a8fd5b4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)设实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b06387179d53c1e474fcfcb408b1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415e1b0e7b9183faa90a912253a6970f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed539dda0e570c8a491e4d39fc733e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eb71f0d5272f3e35d42e9e678465488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-12-20更新
|
684次组卷
|
2卷引用:湖南省常德市汉寿县第一中学2024届高三下学期4月月考数学试题
解题方法
6 . 在如图所示的三角形数阵中,用
表示第
行第
个数
,已知
,且当
时,每行中的其他各数均等于其“肩膀”上的两个数之和,即
,若
,则正整数
的最小值为_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1027b634e5ce551e5936ef7c2f3c7be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50786abb236ba78885e7a88e844df55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/716565b7b876d0d8eff1c6535429254f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2afd8b154553478bc39b7cc7215aad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1978408ea3f299690a8cf0bc7244b25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddbe76afd3a2755cf20dcf7d3dd2e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/19f5a2ea-6893-4ce0-9cd0-02556c431a78.png?resizew=218)
您最近一年使用:0次
2022-09-28更新
|
457次组卷
|
4卷引用:2019届湖南省怀化市高三第二次模拟数学(理)试题
2019届湖南省怀化市高三第二次模拟数学(理)试题【市级联考】广东省深圳市2019届高三第一次(2月)调研考试数学理试题河南省信阳市固始县2019-2020学年高二下学期期中数学(理科)试题(已下线)第四章 数列单元检测卷(能力提升)-【一堂好课】2022-2023学年高二数学同步名师重点课堂(人教A版2019选择性必修第二册)
7 . 设
表示不大于
的最大整数.数列
的通项公式为
.
(1)求
,
,
,
;
(2)设
,求数列
的前
项和
.
![](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/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/817ec00343b1a02cfb5d63d839934daa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97621cc9b8b9957dfdd62b998b190eaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30136113176ba7fe660e998d0873157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
2021-12-04更新
|
493次组卷
|
2卷引用:湖南省百校大联考2021-2022学年高三上学期11月联考数学试题
名校
8 . 记
项正项数列为
,
,
,
,其前n项积为
,定义
为“相对叠乘积”,如果有2020项的正项数列
,
,
,
,
的“相对叠乘积”为2020,则有2021项的数列10,
,
,
,
,
的“相对叠乘积”为________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51e3959b92eb71104d82c3ebe492807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a50f815f27b1c935fe28935cb2d3ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a50f815f27b1c935fe28935cb2d3ff.png)
您最近一年使用:0次
2021-11-11更新
|
618次组卷
|
2卷引用:湖南省长沙市长郡中学2021-2022学年高三上学期月考(三)数学试题
9 . 依次将一数列的每相邻两项之积及原数列首尾项(仍为新数列的首尾项),构造新的数列,再把所得数列按照同样的方法不断构造出新的数列.现将数列1,2进行构造,第1次得到数列1,2,2;第2次得到数列1,2,
,2;第3次得到数列1,2,
,
,2;依次构造,第
次得到数列1,
,
,…,
,2;记
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f37c41b3d37ebff1242f840b5fe0c0.png)
___________ ,设数列
的前
项积为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1253b1b19d6bae98c88cd786691ffc50.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ad4668cc927e277289b2af718f0d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6648bc986a558fa32e752d28d3a68431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6648bc986a558fa32e752d28d3a68431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10b328845a4b1881eee38084d5501224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f255d0395fba51ca2d44293cca42e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc009bac335264081ce8a10cc0c7f0cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f37c41b3d37ebff1242f840b5fe0c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87bd7d18f67e90a7c37fad4252e43c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1253b1b19d6bae98c88cd786691ffc50.png)
您最近一年使用:0次
10 . 设数列
的前
项和为
,若存在实数
,使得对于任意的
,都有
,则称数列
为“
数列”.则以下数列
为“
数列”的是( )
![](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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a41d1247b54c4d34c6c4204c3709412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
A.![]() ![]() ![]() |
B.![]() ![]() ![]() |
C.![]() |
D.![]() ![]() |
您最近一年使用:0次
2021-10-03更新
|
1055次组卷
|
7卷引用:湖南省长沙市宁乡市第一高级中学2021届高三下学期第一次模拟考试数学试卷
湖南省长沙市宁乡市第一高级中学2021届高三下学期第一次模拟考试数学试卷山东省实验中学2022-2023学年高三上学期12月月考数学试题广东省惠州正光实验学校2023届高三上学期期末数学试题人教B版(2019) 选修第三册 突围者 第五章 素养拓展北师大版(2019) 选修第二册 突围者 第一章 数列 全章综合检测(已下线)专题09 《数列》中的存在性问题-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)(已下线)第7课时 课后 数列的求和