A toy abacus
Palabras clave
abacus,
education,
counting,
toy,
mathematic,
mathematic,
count,
school,
wooden,
wood,
calculating machine,
learning,
children,
colourful,
finance,
green,
isolated,
red,
accounting,
calculation,
business,
yellow,
arithmetic,
bead,
subtraction,
present,
gift,
addition,
division,
multiplication,
kindergarten,
childcare center,
infant,
class,
first,
orange
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