Abacus Lesson 1 // Introduction, Proper Technique, & History of the Abacus // Tutorial

How To Use An Abacus-Full Tutorial

Abacus from basics || Abacus Lesson 1 || Introduction.

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Mastering the Abacus: A Beginner's Guide

Lesson 1: How to Properly Use an Abacus - Counting to 20 | For Parents and Teachers

The Fascinating History of the Ancient Chinese Abacus