chalkboard blackboard with teacher writing scribble tiny person concept |
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navigate by keyword : algebra blackboard board calculation chalk chalkboard class college complex concept design drawing education equation flat formula function geometry handwriting illustration intelligence knowledge lecture lesson math mathematics mess mini multiplication person physics research scene school science scribble secondary sketch solution solving student study symbol teacher theorem tiny trigonometry university vector writing |
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Chalkboard or blackboard with teacher writing scribble as explanation notes tiny person concept. School lesson education and knowledge process with math, physics or music learning vector illustration. |
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