不会分数加减的老美很多啊，好多老印妈妈也教不了4年级以上的数学

来源: 听听意见于 2010-01-21 13:58:37 [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.

Change Ad Consent