Boldog ember hallgató könyvek és algebra elemek fölött egy tábla portréja - Stock fotó és kép

Cheerful cute child indicates formulas with arms raised above the head.

Gesture, advertising, education, school and people concept - smiling young man in blank white t-shirt pointing finger on himself over green board background with doodles

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Young funny man in glasses against chalk blackboard

Young funny man in glasses against chalk blackboard

T-shirt design, education, school, advertising and people concept - smiling young man in blank white t-shirt over green board background with doodles

Young funny man in glasses against chalk blackboard

Cheerful cute boy with raised hand standing against black background.

Young Happy Woman Holding Placard With Lightbulb Drawn On It

Teacher teaching how to count on whiteboard in classroom. Smiling blond woman explaining additions in column in class. Maths teacher explaining arithmetic sums to elementary children.

Closeup shot of boy thinking with hand on chin at blackboard.

Young man studying and smiling at camera with note pad in the background.

Portrait Of A Happy Young Man Reading A Book Isolated On White Background

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Young smiling student reading a book in a library

Young boy wearing protective glasses and playing with flasks for chemistry

Portrait Of Pensive Business Young Woman