Răspunsuri

  • Utilizator Brainly
2014-05-04T18:58:35+03:00
A+b+c/3=4.5
a+b+c=13.5

a+b/2=3.5
a+b=7

7+c=13.5
c=13.5-7
c=6.5
1 5 1
2014-05-04T18:59:18+03:00