Sigma(10^(-K!) K from 1 to infinite.

来源: 于 2011-02-18 08:14:56 [旧帖] [给我悄悄话] 本文已被阅读：次

=0.1100010000000000000000010000...1.........1..................1...

点后仅在第1,2,6,24,120,....为1,(K!位).