scientist man disappointed about problems experiment in chemical and mathematical equations room
Contributor: silverkblack
ID : 133600876
Keywords
frustration, male, problem, algebra, researcher, science, lecture, prof, learn, teacher, scientist, educational, professional, goggles, laboratory, college, scientific, calculate, student, university, instructing, chemical, lesson, confusion, man, board, write, school, education, chemist, chalk, signs, theory, blackboard, equation, chemistry, study, laboratory, adult, confused, trig, mathematic, blackboard, formula, cognition, mathematicRelated items
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