就拿AP物理书吧，比初中稍微多点数学而已。

来源: firefly18 于 2014-04-07 12:57:29 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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就拿AP物理书吧， 比初中稍微多点数学而已。