Abacus Oral Practice Sums || Set-1 || Addition || 2-digit / 5-rows || Stage - 2 & 3 https://www.youtube.com/watch?v=gERo9VrzPww
Discover the world at Altruu, The Discovery Engine
Abacus Oral Practice Sums || Set-1 || Addition || 2-digit / 5-rows || Stage - 2 & 3 https://www.youtube.com/watch?v=gERo9VrzPww