Ключевые слова: 1, 2, 3, 4, 5, 6, 7, 8, 9, add, additions, aid, arithmatic, calculate, calculator, divide, division, education, elementary, eraser, figure, figuring, finance, financing, gold, golden, kindergarden, math, money, multiplication, multiply, number, numeric, pencil, pencileraser, penciltop, photo, photograph, pic, picture, school, student, subtract, subtraction, yellow,