Classroom blackboard icon with algebra and math formulas.
Schlüsselwörter
blackboard,
blackboard,
mathematic,
mathematic,
algebra,
equation,
formula,
geometry,
school,
education,
classroom,
learning,
study,
academic,
student,
teacher,
lesson,
board,
outline,
stroke,
icon,
minimal,
simple,
white background,
graphic,
element,
design,
calculation,
problem,
solving,
university,
college,
lecture,
note,
handwriting,
symbol,
signs,
linear,
flat,
stationary,
cognition,
intelligence,
clever,
educational,
science,
research,
thinking,
logic
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