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Heyyy Ma puteti ajuta?
a+b+c=310 si a, b, c invers proportionale cu 2,3 si 5

Ms mult


Răspuns :

2a=3b=5c=k => a=k/2; b=k/3 si c=k/5. ;;k/2+k/3+k/5=310. eliminam numitorul [2;3;5]=30 => 15k+10k+6k=310*30 => 31k=310*30 => k=310*30/31=10*30 => k=300. => a=150; b=100 si c=60