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2016-06-13T16:55:18+08:00
A:b:c=3:5:4
3+5+4=12
12 bahagian= 96
  1 bahagian= 8
a(3 bahagian)=8×3
                      =24
b(5 bahagian)=8×5
                      =40
c(4 bahagian)=8×4
                      =32
∴a=24, b=40, c=32
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