價格：免費
更新日期：2014-09-07
檔案大小：793k
目前版本：1.4
版本需求：Android 2.3.3 以上版本
官方網站：mailto:jyksystem.22@gmail.com
It is the quiz of easy arithmetic.
The quiz of various patterns is made.
An answer only chooses one in nine numbers.
This app also becomes brain training.