No matter how long the a1,a2,...an are, we can't let a(n+1)being unique. So the Rguy's Q is not good in Math.But for fun,this is good Q.
In fact ,you can say any nuber.In this case we have to use highe
所有跟帖:
•
In fact ,you can say any nuber N,隻要您能說出道理.比如
-皆兄弟也-
♂
(102 bytes)
()
09/08/2010 postreply
08:25:37