Ключевые слова: achievement, adorable, arithmetic, arms crossed, blackboard, blonde, bow tie, boy, caucasian, chalkboard, child, childhood, computer graphic, copy space, cute, day dreaming, degree, digital, digitally generated, education, elementary, equation, eye glasses, fair hair, glasses, graduate, graduation, graphic, hands folded, hat, illustration, learning, light hair, looking up, male, math, primary, school, schoolboy, serious, spectacles, square root, standing, stern, student, success, thinking, thoughtful, unsmiling, white background,