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Abstract lamp sketch with mathematical formulas on chalkboard/blackboard wall background. Intelligence, idea, solution, science and innovation concept
Keywords:
education
teaching
text
mathematical symbol
ideas
wisdom
number
blackboard
intelligence
geometry
science
algebra
student
formula
classroom
mathematics
physics
technology
solution
learning
light bulb
concepts
no people
studying
diagram
backgrounds
visual aid
design
chemistry
doodle
teaching sketch
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