Hand drawing graph of mathematical function parabola on blackboard
Schlüsselwörter
parabola,
parabolic,
curve,
white,
isolated,
coordinate,
hand,
drawing,
chalk,
axis,
mathematic,
formula,
horizontal,
line,
blackboard,
black,
graph,
worked,
equation,
mathematic,
learn,
blackboard,
lesson,
class,
object,
school,
instructing,
university,
education,
elementary,
college,
board
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