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young teacher to lecture at universities. teaching mathematics
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Author:
dreamstime
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buy for Personal Use & Commercial
File Type:
JPG
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adult
back
beautiful
black
blackboard
board
book
casual
caucasian
chalk
chalkboard
cheerful
class
classroom
college
copy
education
exam
expertise
female
girl
green
happiness
happy
high
instructor
learning
lecture
lesson
looking
mathematics
people
person
portrait
profession
school
science
smiling
space
standing
student
study
teacher
teaching
university
woman
writing
young