美国有一位数学家名叫威兰斯基.他有一位非常喜欢研究数学的亲戚,名叫史密斯.两人经常聚在一起讨论各种数学问题.有时候两个人碰不到一起,就用电话交流.有一天,两个人结束了愉快的电话交谈,史密斯放下话筒,脑子里还在想着刚才讨论的问题,但无意间又对威兰斯基的电话号码4937775 The United States has a one-man scientist named Welansky. He has a relative who likes to study mathematics. His name is Smith. They often come together to discuss various mathematical problems. Sometimes when two people cannot touch one another, they use the phone. Communication. One day, two people ended a pleasant telephone conversation. Smith put down his microphone and was still thinking about the issue just discussed. But he was inadvertently speaking to Willansky’s phone number 4937775.