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2014-05-11T11:17:08+03:00
A=k/4
b=k/16
c=k/27

a*b*c=1

k/4*k/16*k/27=1
k^3/1728=1
k^3=1728

1728=2^6*3^3
k=2*2*3
K=12

a=12/4
a=3

b=12/16
b=6/8
b=3/4

c=12/27
c=4/9
1 5 1