1 . 设数列
前
项和为
,已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ebcef1b552c3dbac4b69ec9acdf580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8471e5a3d51b9d4d6b80fbe3965aa47f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d238a52feae87b0778ba324dc144d50.png)
A.1009 | B.![]() | C.1010 | D.![]() |
您最近一年使用:0次
名校
2 . 数列
的前25项和为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241fe586d7cce63234f340b0cee07f66.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-05-22更新
|
510次组卷
|
2卷引用:湖北省华师一附中2017-2018学年高一下学期期中数学试题