vector illustration of a black abacus
Schlüsselwörter
abacus,
calculating machine,
finance,
business,
education,
wooden,
calculation,
accounting,
object,
wood,
counting,
count,
mathematic,
mathematic,
old,
tool,
school,
arithmetic,
calculate,
retro,
learning,
mathematical,
toy,
number,
number
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