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Abacus Tutorials | Lesson - Formula In Big Friend | Abacus Classes
Abacus Tutorials | Lesson - Formula In Abacus Combination | Abacus Classes
Abacus - Big friends addition 1 to 4 techniques - Part - 3.1
Abacus || part 1- Big B Formula + 9 & +90 ||
Big Friends Formula in Abacus//easy way to learn big friends formula//Abacus lesson - 8🧮
Abacus Mental Math Demonstration - Strengthen Math Facts, Improve Focus, Concentration & Memory
Abacus Lesson- 7 ||Big friend formula for addition|| dimpal dimpu
Big Friends Subtraction in Abacus//Abacus lesson -10
Abacus Big Friend + 2 = -8+10 DAY - 8
#Abacus Big Friend +9 = -1 + 10
#abacus Big Friend -9 = -10 + 1
Abacus - All techniques Mastering sums - Part - 4.4
