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[數學]想太多

發表 chia0718 於 星期三 八月 27, 2008 11:29 pm

90x3=270
270-250=20 (被服務生A走的錢)

270+20=290(錯誤算式,  應該是  房價+A走的錢=房客付的錢=>  250 +20 =270 )
300-290=10(用錯誤的房價怎麼會算出正確答案阿-_-)

發表 舞降 於 星期三 二月 21, 2007 5:58 am

這好久了...只要稍微轉一下其實沒什麼

發表 小豬頭 於 星期三 二月 21, 2007 1:05 am

錯!!= ="
一點都不玄........
想必現下的20幾歲年輕人都知道有個故事
就是你所講的= ="
這流傳好幾年了...受到廣大的迴響只能說是他們想太多了...

解答也早已解開


關鍵卡在先乘除後加減的算式....

每個人就各出了 100元 ,湊成300 元   (100*3=300)
後來老闆說今天特價只要 250元            (300-250=50)
於是叫服務生把退的 50元 拿去還給他們    
服務生想說自己暗藏 20元 起來,於是就把剩下的30元還給他們    (50-20=30)
那三個人每人拿回 10元100-10=90              <<它們拿回了   30  元

表示每個人只出了 90元 投宿                          
90 元 X3人=270元+服務生的 20元= 290元 
請問... 那剩下的10 元呢????



整個正確的算式是這樣的..(300-250-20=30,30/3=10)


剩下的10元跑哪去了???是被你的算式拋棄了= ="



國小大家都學過先乘除後加減~~~

你的算法完全錯了.........

[數學]一個很玄的題目

發表 太陽好大 於 星期三 二月 21, 2007 12:53 am

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