假设： 6度=goodguy =》（goodguy-6度）= 0 两边除以 0 无意义

来源: 霞女厨房于 2017-08-06 05:01:16 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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假设： 6度=goodguy =》 （goodguy-6度）= 0 两边除以 0 无意义