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Clear explanation. Teacher formal wear and glasses looks smart, chalkboard background. Chalkboard full of math formulas.Man in end of lesson takes off eyeglasses. Teacher finished explanation
Keywords:
men
education
teaching
stack
text
studying
book
child
mathematical symbol
textbook
wisdom
indoors
caucasian ethnicity
teacher
blackboard
intelligence
holding
literature
smiling
standing
doodle
science
looking at camera
student
formula
classroom
young adult
mathematics
portrait
professor
learning
one person
math lesson
students accounting
professor formal portrait
math doodle
clear end
math chalkboard background
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