名校
解题方法
1 . 数列{an}满足
,
,则数列{an}的通项公式为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527794a973bbc58a5cb0bb08ed9cd750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ecf69901899bba130968c7a091790d3.png)
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2022-09-03更新
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4479次组卷
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11卷引用:辽宁省营口市第二高级中学2021-2022学年高一下学期期末考试数学试题
辽宁省营口市第二高级中学2021-2022学年高一下学期期末考试数学试题(已下线)第02讲 等差数列及前n项和(练)(已下线)求数列的通项公式(已下线)专题5 数列 第2讲 数列通项与求和(已下线)数列专题:利用递推关系求通项公式的8种常用方法-【题型分类归纳】2022-2023学年高二数学同步讲与练(人教A版2019选择性必修第二册)(已下线)第6讲 数列的通项公式的11种题型总结(2)(已下线)专题4-1 数列通项公式的求法(2)(已下线)拓展一:数列递推与通项公式归类(2)(已下线)专题04 数列通项与求和技巧总结(十大考点)-【寒假自学课】2024年高二数学寒假提升学与练(人教A版2019)(已下线)专题08 求数列通项17种常见考法归类(2)(已下线)数列专题:利用递推关系求通项公式(8大题型)-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册)
10-11高一下·辽宁·期中
2 . 两个等差数列
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba6631f75636aeafa648d99729aa5b6.png)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dce57ef0569c9f76d32fb4184835694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba6631f75636aeafa648d99729aa5b6.png)
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11-12高一下·浙江舟山·阶段练习
名校
解题方法
3 . 已知数列
中,
,
,则数列
的通项公式为![](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/bbe7bdaaf8b0adf10bf2ef6c1255b1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1542d9b47ed2fc91e0a0275f1dba4254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
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2020-08-12更新
|
140次组卷
|
9卷引用:辽宁省大连市旅顺口区2018-2019学年高一下学期期末数学(文)试题
辽宁省大连市旅顺口区2018-2019学年高一下学期期末数学(文)试题(已下线)2011-2012学年浙江岱山大衢中学高一5月月考数学试卷(已下线)2012-2013学年云南省昆明三中、滇池中学高一下学期期末考试数学卷2014-2015学年贵州省绥阳中学高一下学期第三次月考数学试卷黑龙江省双鸭山市第一中学2016-2017学年高一下学期期末考试数学(文)试题【全国百强校】陕西省西安交通大学附属中学2016-2017学年高一下学期期中考试数学(理)试题(已下线)2.2等差数列(1) -2020-2021学年高二数学课时同步练 (人教A版必修5)(已下线)4.2.1 等差数列(1)-2020-2021学年高二数学课时同步练(人教A版选择性必修第二册)广西桂林市中山中学2021-2022学年高二上学期期中质量检测数学(理)试题
4 . 等差数列
的前
项和分别为
,且
,则![](https://img.xkw.com/dksih/QBM/2015/8/25/1572221148995584/1572221154254848/STEM/6c4622ea1e8944a2a12a9f2230338643.png?resizew=40)
________ .
![](https://img.xkw.com/dksih/QBM/2015/8/25/1572221148995584/1572221154254848/STEM/3412d91143da4ffb9e9531c19e4ebf30.png?resizew=60)
![](https://img.xkw.com/dksih/QBM/2015/8/25/1572221148995584/1572221154254848/STEM/03509c41e11d4f6785d39ef4cb5d8268.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2015/8/25/1572221148995584/1572221154254848/STEM/894c809beb954c049deab74d630f0be1.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2015/8/25/1572221148995584/1572221154254848/STEM/6f23817b5b3e4b82a5e229ade6e73149.png?resizew=83)
![](https://img.xkw.com/dksih/QBM/2015/8/25/1572221148995584/1572221154254848/STEM/6c4622ea1e8944a2a12a9f2230338643.png?resizew=40)
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10-11高二上·广东梅州·阶段练习
名校
5 . 等差数列
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af1f1b7e9e20d799ee3c06b89a0611c.png)
________
![](https://img.xkw.com/dksih/QBM/2011/4/28/1576743595008000/1576743648305152/STEM/9c4c2d968fa74d2c8b1f1be5504e12e1.png?resizew=31)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4087926a02e55933f0c3f1a142b0039d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af1f1b7e9e20d799ee3c06b89a0611c.png)
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6 . 已知
为等差数列,且
记
的前
项和为
,若
成等比数列,则正整数
的值为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8290820f6aa1e1a19ee3c97cc56a7f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://img.xkw.com/dksih/QBM/2015/7/21/1572189557637120/1572189563305984/STEM/958aea82a175452d976dc00820fe7c26.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2015/7/21/1572189557637120/1572189563305984/STEM/19173aa1a92641288b087968b05118b7.png?resizew=20)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107b678af68f3014c0f7b02120a283d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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7 . 已知等差数列
中,前5项和
,则
=____________ .
![](https://img.xkw.com/dksih/QBM/2015/7/21/1572189557637120/1572189563240448/STEM/c57c9bc1dff44fca9fb3c893f4fdab23.png?resizew=31)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca2cc2768794136c1e4da47d2f0873e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
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