论文部分内容阅读
表演者取出一张图(如上)和一枚贰分硬币,并请一位观众将此硬币放置到图上,任意遮掉上面的四个数,等他一遮好,表演者马上可以知道
The performer takes out a picture (as above) and a two-cent coin, and asks an audience to place the coin on the map, arbitrarily obscure the four numbers above and wait for him to cover it, the performer can immediately know