價格:免費
更新日期:2015-04-21
檔案大小:1,019k
目前版本:1.0
版本需求:Android 4.0 以上版本
官方網站:mailto:boltenkovandrii@gmail.com
A simple application that offers a series of questions on addition, subtraction, multiplication and division.
Suitable for children or anyone who wants to practice mental arithmetic.