比如有些难课一年开一次，坚持下来的20人左右。那么即使median 是A-，能拿A的就算是top 1/3，那一共也就几个

来源: joytolearn 于 2025-01-08 18:27:25 [旧帖] [给我悄悄话] 本文已被阅读：次

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