唔該數學高手~中2比數~

2007-01-09 2:05 am
a is 25% less than b.
a is 70% less than c.
find a:b:c
更新1:

但係你咁樣計~ a:b:c = 20:25:34 果條係mc,冇e個答案

回答 (2)

2007-01-09 9:35 pm
✔ 最佳答案
a:b:c = 3:4:10

2007-01-09 13:43:10 補充:
if b=10075/100 x 100 = aa=7530/100 x C = 75c=250a:b:c = 75:100:250a:b:c = 3:4:10
2007-01-09 2:14 am
設a=100
因此a=100
b=125
c=170


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