沿对角线每格放一个硬币，以此类推。题目有问题？

来源: 砂锅2 于 2009-01-05 23:24:10 [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.