回複1...1-11..=1.1=5.

來源: 於 2010-01-09 12:33:41 [舊帖] [給我悄悄話] 本文已被閱讀：次

1...1-11..=1.1=5
binary. 1+1=2.Let S(2)=1...1 and s(2)=1.1 we have S(2)-s(2)=5.