Hellow guys, Welcome to my website, and you are watching #Math_Study_School সংখ্যা প্রতিক,প্রক্রিয়া প্রতিক,ও সম্পর্ক প্রতীক কয়টি? Basic Math.Bangla Tutorial#. and this vIdeo is uploaded by Rashedul Math at 2020-09-23T07:17:03-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.