我這個高考數學不及格的校友答題：因為腿上的油漆被打磨掉了重新刷，所以減10%，就對了。

來源: 房崇於 2017-08-24 08:40:24 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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