Ключевые слова: abstract, algebra, arithmetic, art, background, border, business, calculation, cartoon, cipher, collection, count, decoration, design, digit, eight, figure, five, fly, four, frame, graphic, illustration, infinity, knowledge, learning, math, mathematical, mathematics, nine, number, numeral, one, overlay, pattern, poster, rainbow, random, school, science, sheet, statistics, symbol, texture, wallpaper, wave, zero,