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1 . 已知等比数列
满足
,
,
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a58d2f2ef54bddedcb3ca40b1b43bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a7976b76536f5e5464301d23763d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a6e510e5fb46c9a6a173e400eb9e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aac5317c83938757a0c539eb7f6a052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
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2020-07-04更新
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3卷引用:浙江省宁波市宁海中学2019-2020学年高二(创新班)下学期高考模拟数学试题