名校
1 . 已知等差数列
的前
项和为
,且
,则满足
的正整数
的最大值 为____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a425978da20cebf8c4c63953579e7b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355ff9d0faf668aa7c475353c4f2d3d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cfd7de603945a10d6ebc52cfb063b59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a425978da20cebf8c4c63953579e7b35.png)
您最近一年使用:0次
2022-10-14更新
|
653次组卷
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4卷引用:吉林省通化市梅河口市第五中学2023届高三上学期期中数学试题
名校
解题方法
2 . 设首项大于0的数列
的前n项和为
,若
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ff0a19f71121c415a95a60f86ab9c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ca5bc440491fd3a5df71dd55086632.png)
A.![]() | B.![]() |
C.![]() ![]() | D.使![]() |
您最近一年使用:0次
2022-01-27更新
|
341次组卷
|
2卷引用:吉林省通化市梅河口市第五中学2021-2022学年高二上学期期末数学试题