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Handheld shot of friendly male professor standing at blackboard and explaining equations written on it, then turning to students and asking questions
Medium shot of middle-aged teacher of mathematics standing at blackboard with equations written on it and explaining topic to students during lecture at university
Medium shot of middle eastern man with curly hair standing at blackboard with equations written on it and explaining topic to students
the teacher asks a question to the group of students standing at the blackboard
Smiling female student standing in front of the blackboard and answer the question.
Students in school at their desks listen and answer the teacher's questions. Students in class with their arm raised to answer a question
Students listen and answer the teacher's questions, standing at the map which hangs on the Board.
MS Rear view of man writing math equations on blackboard
Smiley teacher standing at the blackboard where the chemical formula is written
Young, smart, clever, handsome male teacher or student in glasses explaining decision of hard math equation. He prove the theorem
The learning process. Students in school at their desks listen and answer the teacher's questions.
Handheld medium shot of young male student in glasses answering question of professor during lecture at university