a:c=1.25:2/3 b:c=2:1.2 求a:b:c

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a:c=1.25:2/3b:c=2:1.2求a:b:ca:c=1.25:2/3b:c=2:1.2求a:b:ca:c=1.25:2/3b:c=2:1.2求a:b:ca:c=1.25:2/3=15∶8=4

a:c=1.25:2/3 b:c=2:1.2 求a:b:c
a:c=1.25:2/3 b:c=2:1.2 求a:b:c

a:c=1.25:2/3 b:c=2:1.2 求a:b:c
a:c=1.25:2/3=15∶8=45∶24,
b:c=2:1.2 =5∶3=40∶24,
a:b:c=45∶40∶24.

a:c=1.25:2/3=5/4:2/3=15:8=75:40
b:c=2:1.2=2:6/5=5:3=40:24
a:b:c=75:40:24

a:c=1.25:2/3 =3.75:2
b:c=2:1.2
a:b:c=3.75:2:1.2

a:c=15:8
b:c=5:3
推出a:b=(a:c)/(b:c)=9:8=45:40
b:c=5:3=40:24
a:b:c=45:40:24