Math lessons on chalkboard
Contributor: Robert Kneschke
ID : 314238446
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Keywords
blackboard, blackboard, mathematic, lesson, teacher, lecturer, challenge, learn, calculating, student, woman, workshop, university, uniform, mathematic, college, school, pupil, formula, solve, apprenticeship, studies, man, lesson, task, seminar, education, course, class, tutorial, training, study, cognition, peopleRelated items
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