Educator Pointing at Chalkboard Filled with Educational Diagrams and Formulas
Schlüsselwörter
blackboard,
blackboard,
education,
teaching,
learning,
mathematic,
science,
diagram,
cognition,
classroom,
academic,
school,
instruction,
lecture,
tutor,
prof,
concept,
formula,
calculation,
board,
lesson,
study,
class,
student,
research,
theory,
analysis,
problem,
solution
Deutsch
