不用电脑算出99999....除49的周期为42有点难，：-）

来源: passenger101 于 2009-05-15 09:09:50 [博客] [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.