奇數與偶數之謎 - 拼圖
By Jake
at 2007-12-15T08:59
at 2007-12-15T08:59
Table of Contents
「偶數加上偶數」為偶數,
「偶數加奇數」為奇數。
「偶數乘上奇數」為偶數。
「奇數乘奇數」為奇數。
有位仁兄雖然承認了這個事實,但是,他卻說「偶數乘偶數」為奇數。
其理由為何?
puzzlez
2007/12/15
好吧,我承認,這題我答錯了>"<
--
「偶數加奇數」為奇數。
「偶數乘上奇數」為偶數。
「奇數乘奇數」為奇數。
有位仁兄雖然承認了這個事實,但是,他卻說「偶數乘偶數」為奇數。
其理由為何?
puzzlez
2007/12/15
好吧,我承認,這題我答錯了>"<
--
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