Răspunsuri

  • Utilizator Brainly
2014-02-24T20:44:52+02:00
A+b+c=1800
b=3a
c=b+50=3a+50
Inlocuim in prima ecuatie: a+3a+3a+50=7a+50=1800 ⇒ 7a=1750, a=250
b=3a=750
c=b+50=800
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