價格：免費
更新日期：2018-04-10
檔案大小：23M
目前版本：8.9
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
Arithmetic for the first grade. You can learn to add and subtract easily and become familiar with numbers.
First of all, kids in school will learn how to make 10 using two numbers. Add 1 to 9 is 10, 2 to 8 is 10, 3 to 7 is 10...
The answer is always single-digit figure. Beat the Robo by answering the questions.
Have fun!
