Mathematik
Palabras clave
mathematic,
count,
children,
children,
children,
childhood,
boy,
young,
man,
people,
portrait,
face,
isolated,
background,
learn,
grade,
number,
pay,
counting,
sad,
training,
schooling,
training,
school,
school,
elementary school,
pupil,
schoolchild,
kindergarten,
kindergartner,
schooldays
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