计数

以后可别拿那些没用的自豪了,比如我们能单手数到十老外很震惊,古罗马人单手数到一百,双手数到一万.--
Sincerely,
YANG Guifu
School of Computer Science and Information Technology
Northeast Normal University
Changchun, P.R.China
----
杨贵福
无不大工。

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