名校
1 . 已知等比数列
的首项为
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f503a5cdd6f61ff1202ca804ef96f49c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d98088f53b0ae7bf4445984afb924a48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f503a5cdd6f61ff1202ca804ef96f49c.png)
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2019-03-21更新
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1257次组卷
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6卷引用:贵州省思南中学2018-2019学年高二下学期期末数学(理)试题