Răspunsuri

  • Utilizator Brainly
2014-03-05T12:43:58+02:00
A+b=312
a:b=2 rest 12 ⇒ a=2b+12; inlocuim in suma lor: 2b+12+b=312 ⇒ 3b=300, b=100
a=2b+12=200+12, a=212
2014-03-05T12:44:46+02:00
Fie x si y numerele
x=2*y+12
x+y=312
3*y+12=312
3*y=300
y=100
x=212

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