Kinder an der Tafel im Mathematik Unterricht
Palabras clave
school,
children,
mathematic,
grade,
count,
cooperation,
elementary school,
board,
pupil,
boy,
girl,
multicultural,
african,
cooperation,
task,
resolution,
learn,
team,
mathematic,
teamwork,
challenge,
exam,
school,
children,
together,
classroom,
schooling,
indoor,
common,
young,
people,
whiteboard
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