Question

depre nr a,b,c stim ca a:b=b:c=3 a+b+c=130

Answer 1

a+b+c=130
b:c=3 deci b=3xc
a:b=3 sau a:3xc=3 deci a=9xc
9xc+3xc+c=130
13xc=130
c=130:13
c=10
b=10x3
b=30
a=10x9
a=90
Raspuns : numerele sunt 90, 30, 10.