5, 48, 12, 20, 15,( )。A. 16 B. 17 C. 18 D. 19
5, 48, 12, 20, 15,( )。
A. 16 B. 17 C. 18 D. 19
A. 16 B. 17 C. 18 D. 19
参考解析
解析:
![](https://assets.51tk.com/images/e1352cc9c5d5376f_img/62e99b03ebe359e5.jpg)
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