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Smiley teacher stands at the chalkboard
Keywords:
education
teaching
studying
adult
mathematical symbol
women
indoors
caucasian ethnicity
teacher
blackboard
problems
standing
science
looking at camera
algebra
student
formula
classroom
young adult
mathematics
portrait
professor
brown hair
learning
one person
females
schoolgirl
solution
exam
teacher at chalkboard
chemical formula
the student writes
chemical formulas
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