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Alexandravlad29
a fost răspuns

impartiti nr 7 in parti invers proportionale cu nr 2 ; 3;0,5 si 0,(3)

Răspuns :

Bunicaluiandrei
a/(1/2) = b/(1/3) = c/2 = d/3 = (a+b+c+d)/(35/6) = 7·6/35 = 6/5
a = 1/2 ·6/5 = 3/5
b = 1/3·6/5 = 2/5
c = 2·6/5 = 12/5
d = 3·6/5 = 18/5
3/5 + 2/5 + 12/5 + 18/5 = 35/5 = 7

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