1 . 已知数列
满足:
,
,
,且对任意的正整数m,n,当
或2时,都有
,则下列结论中所有正确结论的序号为________ .
①
,②数列
是等差数列,③
,④当n为奇数时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced4e381e8c3336848b8c436dbc584f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287f6702f2d93fdb1c16708d064a3f08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1165148fcddfe26f179443f61337a484.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da6e97248df8f138ebe684c40c950c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87531a218e635718c6385fa11433d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856b5b080869d8702d5e819c35583617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0899fe5bf8591856eb0aec7b0d8ae11e.png)
您最近一年使用:0次
2023-11-12更新
|
273次组卷
|
2卷引用:吉林省通化市辉南县第六中学2023-2024学年高二上学期11月月考数学试题
名校
解题方法
2 . 将数列
中的项排成下表:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd71bc7e6668f90f259ad0b06dd60c2.png)
,
,
,
,
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5bbae9353140c2235610852d04a9a3f.png)
…
已知各行的第一个数
,
,
,
,…构成数列
,
且
的前
项和
满足
(
且
),从第三行起,每一行中的数按从左到右的顺序均构成等差数列,且公差为同一个常数.若
,则第6行的所有项的和为______ .
![](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/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da4cd81500bdb43118150dbdb1541e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd71bc7e6668f90f259ad0b06dd60c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7da2f386b78cdf6489efaa2f5820d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc858b7a95c5006a44067022da09f667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e35eeaabd951fb09b2926807da3685b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e84c30444f13d37ada78285dc4f83b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e76d1d8e50dda4d50229a8a20c57e58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca7e7b23fd74e3cf89ac541cb7a5d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be9c9b05fd84ac9256d49a5a553af5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5bbae9353140c2235610852d04a9a3f.png)
…
已知各行的第一个数
![](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/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7da2f386b78cdf6489efaa2f5820d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627e48c5ab76f5d1874c57a40d32d89e.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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce78fba01e6a50d6ffb2fc81a2ecc1cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933b7c3ace69622339353431c519b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d4c373dbdb897badeca37d2f6d4d239.png)
您最近一年使用:0次
2023-04-28更新
|
1461次组卷
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9卷引用:吉林省长春吉大附中实验学校2023届高三下学期第五次模拟考试数学试题
吉林省长春吉大附中实验学校2023届高三下学期第五次模拟考试数学试题广东省潮州市2023届高三二模数学试题(已下线)专题05 数列通项与求和(已下线)模块六 专题7易错题目重组卷(广东卷)黑龙江省哈尔滨市第四中学校2022-2023学年高二下学期期中数学试题黑龙江省哈尔滨市第九中学校2023届高三第五次模拟考试数学试卷江西省龙南中学2022-2023学年高二下学期6月期末考试数学试题(已下线)第4章 数列单元测试能力卷-2023-2024学年高二上学期数学人教A版(2019)选择性必修第二册(已下线)专题04 数列(5)
3 . 在数列
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac326f9f4ad78d0053c113f823ea6d60.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba83359167d8ca8c9eafa8a23f34a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac326f9f4ad78d0053c113f823ea6d60.png)
您最近一年使用:0次
名校
解题方法
4 . 已知首项为
的数列
的前
项和为
,若
,且数列
,
,…,
成各项均不相等的等差数列,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](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/a0a02d1eb86a6c76e5041e7db6aa1169.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/55ce3545ddc03eb68df04bd154a5415f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2021-03-22更新
|
1556次组卷
|
5卷引用:吉林省通化市梅河口市第五中学2023-2024学年高二上学期期中数学试题
吉林省通化市梅河口市第五中学2023-2024学年高二上学期期中数学试题(已下线)专题06 数列(文理)(已下线)专题6-1 数列函数性质与不等式放缩(讲+练)-1(已下线)专题10 数列通项公式的求法 微点1 观察法(不完全归纳法)、公式法百校联盟2021届普通高中教育教学质量监测考试(全国二卷)理科数学试题