我儿子其实应该去参加这类竞赛，他的number sense不错。

来源: Pilsung 于 2023-10-09 11:31:08 [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.

Change Ad Consent