#12962884 - maths and science formula on whiteboard
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Informacje o pliku:
ID: #12962884
Zdjęcie: maths and science formula on whiteboard
Data udostępnienia: Sep.22, 2012 10:17:03
Kategorie:
Słowa kluczowe: green white background on high sign board pattern male man black formula Hand concept school complex fingers professional writing pen drawing learning education science learn in study college student University chemistry lesson knowledge various write graph theory teach scientific mathematics teacher class professor algebra scribble classroom calculate gymnasium students whiteboard
Autor: buchachon_photo - zobacz portfolio (2962)