彩票中的数学
苏嘉云
数学与统计学院
Abstract
Lottery is a valuable document issued by all states under the supervision of the government as a monopoly to support social welfare, according to the law for people to voluntarily select and purchase.
And it obtain the right to win according to the rules announced in advance.
At present,
more than 140 countries around the world issue lottery
彩票中的数学-20659字.docx