Ключевые слова: 45 years, abacus, adult, calculating, casual clothing, cheerful, child, childhood, color image, concentration, counting, curiosity, cute, education, elementary age, elementary school, females, finance, fun, girls, happiness, headshot, horizontal, indoors, innocence, intelligence, joy, learning, leisure activity, lifestyles, looking, mathematics, number, one person, people, playful, playing, practicing, preschool, real people, science, side view, student, studying, sunlight, toy, window, wisdom, women,