It's really based on the taste

來源: commentate 於 2010-01-11 13:50:31 [] [舊帖] [給我悄悄話] 閱讀數 : (125 bytes)
回答: 2/.2 number in base 5 由 Commentate 於 2010-01-11 10:04:49

Otherwise this problem becomes too easy.
Let f(x,y)=5, the constant function. then,
f(2,2) = 5. a mathematical pervert.

請您先登陸，再發跟帖！