Ключевые слова: adult, aggression, algebra, angry, blackboard, classroom, concentration, crazy, drawing, education, exam, expertise, explaining, explanation, expression, female, formula, indoors, intelligence, large, learning, lecture, lecturer, math, mathematical, mathematics, number, occupation, person, physics, professor, school, science, seminar, showing, sketching, skill, student, study, studying, success, symbol, teaching, thinking, university, wisdom, woman, women, writing, young,