24点游戏

What is 24 o clock? "Twenty-four points" refers to the twenty-four point game. The rules of the game are: add, subtract, multiply and divide four numbers, then mix the operation (allow the use of parentheses) so that the result is 24. It is a simple yet challenging math practice game for smart people. Example :4, 4, 3, 5, Have you figured out how to calculate it yet? 4×4+3+5=24, (4+5-3) ×4=24(Each number can only be used once). 24 points can test peoples intelligence and mathematical sensitivity, it can improve peoples mental arithmetic ability in the game.