Ключевые слова: 10, 100, 200, 500, back, background, bank, business, class, colors, coloured, concept, cost, crayon, creativity, currency, desk, document, dollar, education, entertainment, euro, finance, graduation, group, ideas, indoors, investment, learn, letter, money, no people, office, pen, pencil, price, profit, rainbow, ruler, savings, school, student, success, supply, trendy, wealth, working,