请教有经验的人，適正検査做个位数加法那个是干啥呢？能看出什莫？

来源: 一筐土豆于 2012-07-11 23:29:01 [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.