回複：還有更好的辦法。用LOG2相當於又用了一個10

來源: 於 2010-01-07 07:49:01 [舊帖] [給我悄悄話] 本文已被閱讀：次

更好的辦法:put 2 2s together, let people only can see it like from the other side it is 5.(ha)
I know 5=exp(log2)/2.Thank you.