rate ang ratio

2011-01-20 1:03 am
if 1/a:1/b:1/c=2:3:7
how to know a:b:c=???

回答 (3)

2011-01-20 1:08 am
✔ 最佳答案
1/a:1/b:1/c=2:3:7

令 1/a = 2k, 1/b = 3k, 1/c = 7k

則 a =1/(2k), b = 1/(3k), c = 1/(7k)

a:b:c = 1/2 : 1/3 : 1/7

a:b:c = 21 : 14 : 6
2011-01-20 1:10 am
what information i should provide?
2011-01-20 1:07 am
The information isnt enough..................

2011-01-19 18:53:07 補充:
Sorry ,I am wrong...............


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