回複：I like math, not myth nor mystification

來源: 於 2011-06-02 17:24:06 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

continue your reasonning...correctly

We have f(f(t))=t+2011,so,f(f(f(t))=f(t+2011),We have f(t)=f(t+2011).

We have also f(f(f(t))=f(t) + 2011

so f(t+2011) = f(t) + 2011

etc...