称三次有 1/13的几率无法确定不正常的球轻或重。12个球三次可以确定。

来源: fouquets 于 2013-01-19 23:04:40 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.