當時，遼寧省的中學課本數學共分為8冊，記得第7冊已經含有解析幾何。

來源: 大江川於 2020-10-21 21:20:42 [博客] [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.