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Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決 
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8- 4小6數學應用題
Dec 27th 2013, 04:08

公式:小數 = 和 / (倍數 + 1)
'甲的錢是其他3人的1/5',即3人是小數,倍數是1/5,和是600。
3人 = 600 / (1/5 + 1) = 500
所以甲有 500 x 1/5 = 100元
'乙的錢是其他3人的1/3',即3人是小數,倍數是1/3,和是600。
3人 = 600 / (1/3 + 1) = 450

所以乙有 450 x 1/3 = 150元
丙丁共有:

600 - 100 - 150
= 350 (元)

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