名校
解题方法
1 . 已知数列
满足
,
,
,
,
,记数列
前
项和为
,则( )
![](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/ca4123422b5a6621da6a3214aa8c3e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26f41312f88d01f014fe26ff843bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209591cfb9f8271f5ad48d89f214f22e.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)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 已知正项数列
的前n项和为
满足:
若
记
表示不超过m的最大整数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b708c8dcb2d66eb2ce0b3718a9cd924a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d69b0b71fb74694fda67ee126bc9d036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4203177e0501f89f0d65f9a4940145e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/446a172f7d2c546f0a269fdbebcc7d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb8beaa4749d51b9b90a4fed019b4f0.png)
A.17 | B.18 | C.19 | D.20 |
您最近一年使用:0次
2020-06-23更新
|
560次组卷
|
3卷引用:专题04 数列(6)