数学魔牌是一种供游戏用的纸牌,牌上印有“1—9”这9个数字中的4个数,游戏者通过加、减、乘、除四则计算,答数为24。这种游戏把枯燥的基本数学训练变成有趣的游戏,曾在美国和国内一些地方风行。前几年我市一些小学,曾经用扑克牌玩过这种“凑24”游戏,但由于有些四个一位数组合不能凑成24,学生玩 Mathematical Magic is a card used for the game, the card printed with “1-9” of the four figures in the nine numbers, the game player by adding, subtracting, multiplying, with the exception of four calculations, the answer is 24. This game turns boring basic math training into a fun game that has been popular in the United States and in some parts of the country. A few years ago some of our city primary school, playing poker cards have played this “Minato 24” game, but because some four-digit combination can not make up 24, the students play