Răspunsuri

2014-03-31T11:47:14+03:00
2/a = 3/b = 4/c . 6a+9b-4c=120 => 6a=120-9b+4c => a= 120-9b+4c supra 6 . 2/a=3/b=4/c = 2+3+4 supra a+b+c . Inlocuiesti in fractia asta pe a .
  • Utilizator Brainly
2014-03-31T12:42:58+03:00
2a=3b=4c=k ⇒ 3k+3k-k=120 ⇒ k=24;
a=12, b=8, c=6