Abacus Small Friend (-) : How To Learn Abacus Small Friend Subtraction Formula

Abacus small Frind

Abacus Small Friend Subtraction Formula: Abacus Small Friend is the second most important technique for learning Abacus.In the earlier lesson we read about small friend positive. In which we saw and learned all the formulas of Abacus Small Friend. And also practiced on Abacus Small Friend Practice.Now our lesson is 2 Abacus Small Friend Negative … Read more