Close up of wooden abacus - selective focus
Palabras clave
abacus,
accessory,
background,
ball,
bead,
blue,
business,
close,
closeup,
closeup,
colours,
colourful,
count,
detail,
education,
educational,
equipment,
exercise,
green,
isolated,
item,
cognition,
learning,
mathematic,
mathematic,
nobody,
number,
photo,
red,
school,
studio,
instructing,
tool,
toy,
tradition,
traditional,
vintage,
high-coloured,
white,
white background,
wood,
wooden,
yellow
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