測試一下你周圍的英國人就知道了

來源: BeingWithU 於 2010-07-21 13:59:07 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

看看他們懂不懂九九，以及小數點和分數的轉換，還有問問他們懂不懂先乘除後加減

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