Woman massaging her temples in front of chalkboard with moving math calculations
Palabras clave
communication,
mathematician,
student,
teacher,
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blackboard,
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illustration,
graphic,
back to school,
education,
school,
thinking,
concentrating,
massaging,
cephalalgia,
solving,
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symbol,
graph,
chart,
formula,
equation,
algebra,
calculation,
mathematic,
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concept,
class,
classroom,
lesson,
development,
academic,
cognition,
research,
information,
smart,
jacket,
animation,
digital,
montage
