A white board displays complex mathematical equations and geometric shapes.
Schlüsselwörter
mathematic,
formula,
calculus,
geometry,
shape,
board,
blackboard,
writing,
symbol,
number,
learning,
education,
intellectual,
visual,
abstract,
presentation,
study,
cognition,
thinking,
research,
analysis,
development,
concept,
structure,
diagram,
visualisation,
inspiration
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