Ключевые слова: achiever, black, blackboard, boy, caucasian, chalk, chalkboard, child, childhood, classroom, clever, concept, educate, education, elementary, emc2, expertise, face, finger, formula, funny, genius, glasses, happiness, happy, indoors, intelligence, knowledge, learn, learning, looking, math, mathematics, one person, physics, pointing, posing, preschool, pupil, school, schoolboy, smile, solution, solve, student, study, studying, success, wisdom,