不玩competition math ，光靠课上学习，总会有漏洞，正常的现象

来源: keeesa 于 2013-03-03 22:18:56 [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.