Răspunsuri

  • Utilizator Brainly
2014-09-19T08:33:54+03:00
A+b=84
a*6=b*3⇒6:3=b:a⇒b:a=2

b:a=2
b=2a

a+2a=84
3a=84
a=28

b=2a
b=2*28
b=56

Verificare : 28+56=84