名校
1 . 如图,这是一个正八边形的序列,则第
个图形的边数(不包含内部的边)是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://img.xkw.com/dksih/QBM/2017/6/4/1701857123196928/1702189944307712/STEM/c63b16b1415541f1a13fb6a176e0a115.png?resizew=316)
您最近一年使用:0次
名校
解题方法
2 . 执行如图的程序框图,则输出
的值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/15/95996bf4-8b79-4df3-a073-71ac8b95dcc6.png?resizew=189)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/15/95996bf4-8b79-4df3-a073-71ac8b95dcc6.png?resizew=189)
A.2016 | B.1024 | C.![]() | D.-1 |
您最近一年使用:0次
2017-05-02更新
|
635次组卷
|
6卷引用:重庆市江津中学校2018届高三4月月考数学(理)试题
名校
3 . 数列
满足
,
,其前
项积为
,则
=_________ .
![](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/c439950003919673f5cb5901697f52ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572941490282496/1572941496549376/STEM/cbe4ebdb729e4ce3bdb41512d3a2434f.png?resizew=32)
您最近一年使用:0次
2016-12-04更新
|
600次组卷
|
4卷引用:重庆市江津中学、合川中学等七校2019-2020学年高三第三次诊断性考试数学(理)试题
2012·重庆·一模
4 . 若数列
满足:
,
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.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/605e1f93965fc312d59cec2fe738a16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4651f7530c7f7c12f703b1ed00c673a6.png)
A.1 | B.![]() | C.2 | D.22012 |
您最近一年使用:0次