Hellow guys, Welcome to my website, and you are watching #주산 025.중급주산/나눗셈/기초/총정리#abacus. and this vIdeo is uploaded by 셈쌤의 주산과 교과연산 at 2022-02-09T04:57:35-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
