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Impartiti numarul 72 in parti invers proportionale cu 1/2 1/4 1/6.

Răspuns :

{ a, b, c}  invers proportionale { 1/2 , 1/4 , 1/6 }  scrise invers in proportie

a/2=b/4=c/6=(a+b+c)/12 = 72/12 =6
a/2=6   a=12
b/4=6   b=24
c/6=6   c=36