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麻将是人们休闲时的一种娱乐用具 ,可麻将牌中的骰子你注意到了吗 ?它六个面上的点数分布呈现出一种奇特的方式 ,即正方体对面点数之和等于 7,如前 1后 6、上 3下 4、左 5右 2 (如图 1所示 ) 由此知它的前、上、后、下面的点数之和为 1 4 ,左、前、右、后面的点数之和也是 1 4
Mahjong is an entertainment tool for people in their leisure time. Can you notice the blindness in the mahjong card? The distribution of points on the six sides of it shows a peculiar way, that is, the sum of the points opposite the cube is equal to 7, as in the previous 1 After 6, 3, 4 and 5 left and 2 (as shown in Fig. 1) This shows that the sum of the points before, above, behind, and below is 1 4, and the sum of the points left, front, right, and back Also 1 4