有个小学奥数，还有AMC，math count初中开始。我准备让他们七年级开始的。

来源: Pilsung 于 2021-10-16 10:01:47 [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.