Ключевые слова: adorable, arithmetic, beautiful, blackboard, blonde, caucasian girl, chalk, chalkboard, child, childhood, copy space, cute, digits, draw, education, educational, european, figures, girlhood, kid, knowledge, learn, mathematics, numbers, overhead view, people, person, preadolescent, preteen, pupil, schoolchild, schoolgirl, schooling, selective focus, signs, study, symbols, top view, tuition,