名校
1 . 各项均为正数的等比数列
的前
项和为
,已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eab8f8926b996f9bee57d96067f5bac.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.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/d3a9c6011a4c3a0d5d12c04f812a4fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560a3193a0296c96099a49c2bc00ac88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eab8f8926b996f9bee57d96067f5bac.png)
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2019-12-16更新
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6卷引用:吉林省松原市长岭县第二中学2020-2021学年高三上学期期末考试数学(文)试题