23,1,-5,5,31,( )
2023-06-09
A.-11
B.47
C.73
D.83
参考答案:C
B.47
C.73
D.83
参考答案:C
多级数列。两两做差,得:-22,-6,10,26,构成一个公差为16的二级等差数列。C项当选。
![]( //img1.runjiapp.com/duoteimg/tiku/images/pc/questionBank/main-list-title-icon.png)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_10.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_19.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_88.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_80.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_91.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_85.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_6.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_70.jpg)
热门标签
2023-06-09
多级数列。两两做差,得:-22,-6,10,26,构成一个公差为16的二级等差数列。C项当选。
热门标签