若a:b=5:4 和 b:c=6:5 ,求a:b:c
b:c=6:5
a:b = 5:4
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a:b:c =????
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以直式計算
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(a:b=5:4 , b:c=6:5 ,求a:b:c)唔識計,請各位幫幫忙
2007-09-02 10:58 pm
回答 (2)
2007-09-02 11:05 pm
✔ 最佳答案
a:b = 5:4 ......... (1) b:c = 6:5 ..........(2)
(1) x 3
(2) x 2
a:b = 15:12
b:c= 12:10
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a:b:c=15:12:10
2007-09-02 11:01 pm
a:b =5:4
b:c= 6:5
---------------------'
a:b:c = 30:24:20 = 15:12:10
b:c= 6:5
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a:b:c = 30:24:20 = 15:12:10
參考: me
收錄日期: 2021-04-13 18:13:24
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070902000051KK02343