名校
1 . 在数列
中,
,且
.记
,
,则下列判断正确的是__________ .(填写所有正确结论的编号)
①数列
为等比例数列;②存在正整数
,使得
能被11整除;
③
;④
能被51整除.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96eda44551ba886992ba70e427a763e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad555526b66f2ab33ed9a56c252f8023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f032a80a88d742cbaf00df5f7dff9944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f30bd12847d6f7608f6778b6d14606d3.png)
①数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e160f5b23b74eb9929d6123b4cee2384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a425978da20cebf8c4c63953579e7b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3b5ad9115eb354803901fc86efd7fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb352310b0ca1b455d9ff8d7cc84b9a8.png)
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2018-02-09更新
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575次组卷
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5卷引用:吉林省长春实验高中2019届高三第三次月考 数学(理)试题