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Abacus Thousands / Wooden Educational toy / place value system / Maths teaching aid at Rs 678/piece | Play School Mathematic Material in Bengaluru | ID: 22468580191
Chinese abacus counting frame, a calculating tool that was in use in Europe, China and Russia, centuries before the adoption of the written Hindu-Arabic numeral system. Th - Album alb9064788
Photo de stock Abacus Counting System Beads Posts 23438224 | Shutterstock
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Icône de ligne vectorielle Abacus cassée. Erreur de calcul et symbole de contour de collision du système Image Vectorielle Stock - Alamy
Vecteur Stock European abacus counting frame. Calculating tool with rainbow colored beads sliding on wires. Used in pre- and in elementary schools as an aid in teaching the numeral system and arithmetic
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The structure of the decimal system abacus. There is one bead above,... | Download Scientific Diagram
Illustrations of an abacus. An abacus is a rectangular wooden... | Download Scientific Diagram