價格：免費
更新日期：2018-05-01
檔案大小：25M
目前版本：6.7
版本需求：Android 2.3 以上版本
官方網站：http://www.robotani.com
Email：support@robotani.com
聯絡地址：隱私權政策
The final step for the first grade school arithmetic, you can learn to carry and borrow easily.
Keeping on training is very important to get familiar with numbers. Beat the Robo by answering the questions.
Now, you will be a hero at the school!
