那是一根筋了，非此即彼。不数竟不是不学，AP课，大学里选课，学数学很多办法。

来源: bobpainting 于 2023-04-10 09:11:53 [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.