我們那時候才多點題？想做題，都找不到。中學時，就一套數理化自學叢書。現在的孩子才叫苦。

來源: yasas 於 2012-09-20 19:28:28 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.