K=Q=J=X=任何数, {4,19}=|19/4| +1=4+1=5.

来源: jinjing 于 2011-03-18 16:10:11 [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.