School abacus with colorful beads isolated, white background. Calculate count, children math class
Schlüsselwörter
abacus,
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mathematic,
children,
learn,
children,
class,
isolated,
addition,
traditional,
mathematic,
basic,
white,
education,
deduction,
preschool,
student,
number,
cut-out,
element,
background,
toy,
bead,
wood,
colourful,
tool,
colours,
play,
sum
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