已知数列
,
,
,…,
,
,则7是这个数列的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619096595112f0340a43b756e114dd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec30054e5e10045f6fc5a1135444962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df67090a21aedafc234822650ca35054.png)
A.第20项 | B.第21项 | C.第22项 | D.第24项 |
23-24高二下·山东淄博·期中 查看更多[2]
更新时间:2024-05-07 00:04:12
|
【知识点】 判断或写出数列中的项
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单选题
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较易
(0.85)
名校
【推荐1】已知数列
的通项公式
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d48589eda7b2d3e2e3e1903d6ed7f134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef9cc0c893b6095190656ab1eb9516af.png)
A.-16096 | B.-16104 | C.-16112 | D.-16120 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】在数列
,
,
,
,…,
,…中,
是它的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a734873a608f0c070dec80b89d179754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d357ea085a587a9f975e30e710e4ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3a08e770d5b030c3219c3ee4a695f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d778b5ebf252a1d30400c8b6844483f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f664db625ea2322b5b8f56ae4315f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7641ebeacaf531d593d9b6a3006632.png)
A.第8项 | B.第9项 | C.第10项 | D.第11项 |
您最近一年使用:0次