24 Points

“24 Points” is a mathematical game, the game is simple and easy to learn, can brain puzzle and improve the arithmetic skills, is a very useful activity. The game randomly out of 4 number, Use "+", "-", "*", "/" "(" and “)” to calculate them to 24. for example, 4 numbers are 3,8,8,9, then the formula for (9-8) × 8 × 3 or (9-8 ÷ 8) × 3 and so on.