國一數學考題分析 - 生活
By Wallis
at 2009-02-03T00:00
at 2009-02-03T00:00
Table of Contents
這是段考題目,我已經知道答案……但是要訂正,我需要算式與解釋,我知道對你們來說很簡單。但是我腦袋就是不靈光 :(拜託了喔!1.8÷3χ=8χ/3(為甚麼錯?)2.三本書的價格等於五枝筆的價格,若每本書χ元,則一枝筆要如何用χ式表示?*為甚麼χ÷5×3對了,而5÷3×χ不對?3.大毛、二毛、小毛是親
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生活
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