如何將95度的藥用酒精稀釋成75度? - 酒精
By Rebecca
at 2009-02-10T00:00
at 2009-02-10T00:00
Table of Contents
如題,如何將95度的藥用酒精稀釋成75度?是用約分法嗎?95:75,約出來數值約為3:2,就是以同樣的容器盛裝酒精3,水2的比例嗎?
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酒精
All Comments
By Christine
at 2009-02-12T09:38
at 2009-02-12T09:38
By Mary
at 2009-02-14T01:41
at 2009-02-14T01:41
0.95x/(x+y)=0.75
19x=15(x+y)
4x=15y
x:y=15:4=30:8
Ans: 15:4
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