數學是個基礎，也是一種思想。放棄隻怕是放棄不了的，隻不過不再靠它吃飯而已，不是嗎？

來源: 平等性於 2020-11-27 15:38:47 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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