Mathematician workspace with chalkboard and study materials
Schlüsselwörter
mathematic,
blackboard,
formula,
education,
learning,
algebra,
geometry,
calculus,
science,
study,
desk,
workspace,
goggles,
book,
notebook,
pen,
crayons,
teacher,
student,
academic,
cognition,
intelligence,
research,
theory,
equation,
solution,
logic,
reasoning,
abstract,
visual,
diagram,
illustration,
drawing,
writing,
handwriting,
old,
vintage,
antique,
wooden,
table,
surface,
background,
element,
object,
tool,
equipment,
concept,
idea
Deutsch
