名校
解题方法
1 . 无穷数列
满足:只要
,必有
,则称
为“和谐递进数列”.若
为“和谐递进数列”,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb7147e313f9d9f67d19ecb5f499c05.png)
__________ ,
为数列
的前
项和,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4b5a382f920203b9ef307224ae641e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83290a082f9452de1fe86b7bafd8321d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c0b488096f27c73fc960e27f3b864a.png)
![](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/140fc0b8d1633f58f700db17d72403a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb7147e313f9d9f67d19ecb5f499c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.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/4e4b5a382f920203b9ef307224ae641e.png)
您最近一年使用:0次
2023-04-26更新
|
265次组卷
|
4卷引用:江西省抚州市七校2022-2023学年高二下学期期中联考数学试题
江西省抚州市七校2022-2023学年高二下学期期中联考数学试题(已下线)江苏省八市2023届高三二模数学试题变式题11-16福建省永春第一中学2022-2023学年高二下学期6月月考数学试题江西省吉安市永丰县永丰中学2022-2023学年高二下学期期末数学复习试题
名校
解题方法
2 . 已知数列
中,
,
,则通项公式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.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/1dc25123dbb8cb83292a02d304bb3296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
您最近一年使用:0次
2022-11-14更新
|
1316次组卷
|
7卷引用:江西省抚州市黎川县第二中学2022-2023学年高二下学期期中数学试题
名校
解题方法
3 . 数列
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2f03f58e3c85de45bd3fd86a8a66f7.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddfb7230d3c8e16942198129d21d9b41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2f03f58e3c85de45bd3fd86a8a66f7.png)
您最近一年使用:0次
2022-06-06更新
|
355次组卷
|
4卷引用:江西省抚州市黎川县第二中学2022-2023学年高二下学期期中数学试题
名校
4 . 已知数列
满足
,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a932349cee6d7225843f2da0a22edf2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f55c64a7d2c7bd22dcaa634973dc58d.png)
您最近一年使用:0次
2021-05-05更新
|
594次组卷
|
5卷引用:江西省抚州市黎川县第一中学2020-2021学年高一下学期期末数学(理)试题
江西省抚州市黎川县第一中学2020-2021学年高一下学期期末数学(理)试题福建省三明市普通高中2021届高三毕业班三模数学试题(已下线)考点24 已知递推公式求同通项公式求数列的通项公式-备战2022年高考数学(理)一轮复习考点帮(已下线)考点23 已知递推公式求同通项公式求数列的通项公式-备战2022年高考数学(文)一轮复习考点帮(已下线)4.1数列(B 能力培优练)-2021-2022学年高二数学同步双培优检测(苏教版2019选择性必修第一册)
名校
解题方法
5 . 已知数列
的前n项和为
且
.若
+5≥(2-λ)n对
都成立,则实数
的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad593fdc598919599858744dfd8f254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e02d9b12c4fa54610e25e45159c7d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4f97a9388c7326dfa22b8b69dc98db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cac657ea5bbf4b237a30e4074c76cc81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2020-10-26更新
|
566次组卷
|
9卷引用:江西省临川第十中学2021-2022学年高二上学期第一次月考数学(理)试题
江西省临川第十中学2021-2022学年高二上学期第一次月考数学(理)试题云南省红河州2020届高三第一次复习统一检测数学(理)试题云南省红河州2020届高三高考数学(理科)一模试题江苏省无锡市第三高级中学2020-2021学年高二上学期10月基础测试数学试题(已下线)第21练 数列的概念及其表示-2021年高考数学(理)一轮复习小题必刷(已下线)第4章《数列》 培优测试卷(三)-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)河南省商丘市第一高级中学2022-2023学年高二上学期期末数学试题黑龙江省哈尔滨市顺迈学校高中部2022-2023学年高二下学期3月月考数学试题(已下线)期末真题必刷压轴60题(22个考点专练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(沪教版2020必修第三册)
6 . 已知数列
满足递推关系:
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56c6ce06c1cd6542d0bb2bedaf66b8cf.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606e55241a2e145d54849129b8ffd20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23dccc60738f39c78238b0670e4f319b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56c6ce06c1cd6542d0bb2bedaf66b8cf.png)
您最近一年使用:0次
2019-12-15更新
|
636次组卷
|
3卷引用:江西省临川二中、临川二中实验学校2019-2020学年高三上学期第三次月考数学(文)试题
江西省临川二中、临川二中实验学校2019-2020学年高三上学期第三次月考数学(文)试题(已下线)全国名校2019年高三11月学科网大联考考后强化卷-文科数学湖南省衡阳师范学院祁东附属中学2020-2021学年高三上学期第三次月考文科数学试题
名校
7 . 已知
是数列
的前
项和,若
,
,
.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef858df390b72f83c029d15ba8fd5133.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b708c8dcb2d66eb2ce0b3718a9cd924a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663bbc5767b9cb453cb08e1f0a8e0602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03525ebb85462015e996e7c6f41354cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8c29b297e3ec337c3139c2a1ebed1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef858df390b72f83c029d15ba8fd5133.png)
您最近一年使用:0次
2018-10-17更新
|
537次组卷
|
2卷引用:江西省乐安县第二中学2022-2023学年高二下学期6月期末数学试题
名校
解题方法
8 . 正项数列
满足:
,若
,数列
的前
项和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a0dac0f1f93398b418c649ab8226e3.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890ff199b37544ec0a0b50f449d62b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0338fcde8f73fab17844b7939afc01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a0dac0f1f93398b418c649ab8226e3.png)
您最近一年使用:0次
名校
9 . 数列
满足
(
,
),
是
的前
项和,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36243198e5e20c56399e4ad5ac3c519.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2a8fe48bbd9a1feaaa612ec6cfc829.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/08eb71ecf8d733b6932f4680874dbbf3.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/259b2e755105c0ee479eabf7265a76a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36243198e5e20c56399e4ad5ac3c519.png)
您最近一年使用:0次
2017-11-22更新
|
193次组卷
|
2卷引用:江西省南城县第一中学2018届高三上学期期中考试数学(理)试题
名校
解题方法
10 . 已知数列
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6be76c1119ec4cfbc8d38bc1d62bf7.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942ed174dfdafaf5f0a68cac579110f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d8472c230fcf0ea87e5d6ea039d57c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6be76c1119ec4cfbc8d38bc1d62bf7.png)
您最近一年使用:0次