abacus with colorful beads
Schlüsselwörter
abacus,
education,
counting,
school,
calculating machine,
colourful,
count,
mathematic,
business,
children,
learning,
toy,
bead,
mathematic,
finance,
wooden,
wood,
money,
colours,
calculation,
number,
accounting,
arithmetic,
tool,
red
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