價格：免費
更新日期：2018-10-18
檔案大小：2.7M
目前版本：1.1
版本需求：Android 4.0 以上版本
官方網站：http://www.soroban.ooo
Email：afhim101@gmail.com
聯絡地址：Rue 850 n° 89 tARRAST INZGANE MOROCCO
the application "abacus" is in the form of a Japanese abacus named "soroban".
In this exercise you will train yourself to:
-Read the beads represent on the abacus
- Compose on the abacus the number
- Train for the four operations (addition-subtraction-multiplication and division)
the purpose of the "abacus" application is to improve the imaginition of pearls and the development of mental calculation skills.
