Ключевые слова: account, attention, basic, childhood, color, colorful, compute, concept, confusion, count, economy, educate, education, educational, elementary, figure, four, game, kindergarten, knowledge, learn, learning, leisure, math, mathematical, mathematics, maths, number, plastic, play, playing, playschool, preschool, sample, school, set, square, teach, teaching, text, toy, two,