1, 2, 3, 6, 7, 14, ( )
2023-06-11
A. 30
B. 25
C. 20
D. 15
参考答案:D
B. 25
C. 20
D. 15
参考答案:D
解题指导: 1的2倍是2,2+1=3;3的2倍是6,6+1=7;7的2倍是14,14+1=15;故答案为D。
![]( //img1.runjiapp.com/duoteimg/tiku/images/pc/questionBank/main-list-title-icon.png)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_98.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_94.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_65.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_18.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_27.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_52.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_43.jpg)
![](https://img1.runjiapp.com/duoteimg/tiku/banner/bn_100.jpg)
热门标签
2023-06-11
解题指导: 1的2倍是2,2+1=3;3的2倍是6,6+1=7;7的2倍是14,14+1=15;故答案为D。
热门标签