Răspunsuri

  • Utilizator Brainly
2014-02-25T10:40:37+02:00
A+b+c=157,6
a-d=25,2 ⇒ a=d+25,2
b-d=40 ⇒ b=d+40
c-d=11,4 ⇒ c=d+11,4
Inlocuim in prima ecuatie: d+25,2+d+40+d+11,4=3d+76,6=157,6 ⇒ d=27
a=d+25,2=27+25,2=52,2
b=d+40=27+40=67
c=d+11,4=27+11,4=38,4
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