價格：免費
更新日期：2019-06-08
檔案大小：1.7M
目前版本：3.0.0
版本需求：Android 4.0 以上版本
官方網站：http://darayuthhang.github.io
Email：darayuthhang12@gmail.com
The app allows you to compete with your
friends with an easy arithmetic. No decimal, but just
pure digit random from 1 to 9. If you use Mutiplcation or division,
you will get 2 points. Using Ding allow you get extra 1 points .
However, if it is not correct i will minus you 1 point.