在等差数列
中,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7804d62e52b2254fc3ac4e5f64b508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890ccb4e11f70158cab2f46137c69aac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
A.8 | B.9 | C.10 | D.11 |
更新时间:2023-06-21 22:52:25
|
【知识点】 等差数列通项公式的基本量计算
相似题推荐
单选题
|
较易
(0.85)
名校
【推荐1】把能表示为两个连续奇数的平方差的正整数称为“幸运数”,则在
,2024这2024个数中,能称为“幸运数”的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319e8aa29ac4702aed29a2ac89c123ac.png)
A.251 | B.252 | C.253 | D.254 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】若等差数列
和等比数列
满足
,
,
,则
的公比为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fe0f4e8a80a2840c0f6929a8a6351b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36fbe9eea4a2cae22acc531f87e79c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c5c4ac959eb2c4b74afabc9cdd3a6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
A.2 | B.![]() | C.4 | D.![]() |
您最近一年使用:0次