Răspunsuri

  • Utilizator Brainly
2014-09-16T16:53:29+03:00
2*(a+b)=384
a-b=38⇒a=b+38

2*(a+b)=384
a+b=384:2
a+b=192

b+39+b=192
2b+39=192
2b=192-39
2b=153
b=76,5

a=b+38
a=76,5+38
a=114,5