等差数列
各项均为正数,首项与公差相等,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c30eda6b4391318f53f90e8572447c1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea00d10c496ccacb5b25c9574d6cdb09.png)
A.9069 | B.9079 | C.9089 | D.9099 |
22-23高三上·江苏苏州·阶段练习 查看更多[5]
江苏省苏州八校联盟2022-2023学年高三上学期第二次适应性检测数学试题(已下线)专题04 数列的通项、求和及综合应用(精讲精练)-4江苏省南通市如东县2022-2023学年高二上学期12月段考数学试题(已下线)专题11 数列前n项和的求法 微点3 裂项相消法求和(一)江苏省连云港市赣榆高级中学2022-2023学年高三上学期12月学情检测数学试题
更新时间:2022-12-03 12:44:28
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【推荐2】设各项均为正整数的无穷等差数列
,满足
,且存在正整数
,使
,
成等比数列,则公差
的所有可能取值的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0061794162451d090c7abc04a2abed9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba23a1568ae43058ada934ea162ebbb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
A.1 | B.3 | C.4 | D.5 |
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解题方法
【推荐1】已知数列
满足
,若
,则
的前2022项和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8823769b2871eb9aa9b7aaab2f4fb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b35b20d625d7ec24531a0a6619f7683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】执行如图所示的程序框图,如果输出
,则输入的![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://img.xkw.com/dksih/QBM/2017/9/17/1776086443253760/1777480161517568/STEM/4ee07bf33713425cad30129634b3bb7f.png?resizew=166)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a8a480e765bb241cce986273f04fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://img.xkw.com/dksih/QBM/2017/9/17/1776086443253760/1777480161517568/STEM/4ee07bf33713425cad30129634b3bb7f.png?resizew=166)
A.![]() | B.![]() | C.![]() | D.![]() |
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