Hellow guys, Welcome to my website, and you are watching Lesson 2 - How to use the Abacus aka Soroban? Simple Addition & Subtraction Questions. and this vIdeo is uploaded by Learn Abacus At Home at 2018-01-13T20:12:35-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
