更像文化遺產列表。除了四大發明，珠算是我最首肯和心儀的，二進五進16進混合，全民普及

來源: 老鍵於 2023-12-02 23:17:30 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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