ABACUS SYMETRIC
Palabras clave
abacus,
calculating machine,
isolated,
frame,
bead,
signs,
finance,
tool,
white,
wood,
financial,
count,
row,
subtraction,
education,
equipment,
bar,
mathematical,
counter,
learning,
mathematic,
background,
work,
symbol,
business,
computation,
wooden,
yellow,
number,
plus
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