Description: "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? 4x4+3+5=24, (4+5-3) x4=24 (Each number can only be used once). 24 points can test people's intelligence and mathematical sensitivity, it can improve people's mental arithmetic ability in the game.