一次偶然的机会,笔者发现4个小朋友在玩一个“猜拳转盘”的游戏,不禁驻足观看,觉得这个游戏有点意思.在此,笔者愿意把这个游戏介绍给读者,并从数学的角度做一点探讨.游戏用到一个直径大约1米的圆盘,把这个圆盘平均分为8份,在每一份上分别标有“-5,-3,-1,0,1,3,4,5”这8个数字,每一个数字代表相应的分数.圆盘外有一个固定的指针,指针指到哪个区域,选手就 By chance, I found that 4 children playing a “Guess the wheel ” game, can not help but stop watching, I feel this game a little meaning .In this, I would like to introduce this game to the reader, and from a mathematical point of view A little discussion. The game uses a disc about 1 meter in diameter, the disk is divided into eight copies, each marked with “-5, -3, -1,0,1,3, 4,5 ”These eight numbers, each number represents the corresponding score disc outside a fixed pointer, the pointer refers to which area, the player