算盤的輸入比計算器的輸入快，3個手指頭對比一個手指頭，但是不會比鍵盤的輸入快，10個手指頭對比3個手指頭

來源: 547788 於 2016-06-16 08:54:43 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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