设
,其中
与
分别表示
的整数部分和小数部分.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f0a319cd059109e55181512b96ac40.png)
________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd6e24718980cabc9d79bd5935a128e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b467b0667aad83b30ce6ef93ed88289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f0a319cd059109e55181512b96ac40.png)
更新时间:2024-03-14 14:23:39
|
【知识点】 根据数列递推公式写出数列的项
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【推荐1】已知正项数列
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___________ .
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填空题-单空题
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适中
(0.65)
名校
解题方法
【推荐2】已知数列
的前
项和为
,若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06fbdd2e3efbef1ff014df55b242eced.png)
__________ .(用数字作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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