Răspunsuri

2014-10-21T16:04:50+03:00
Cel mai inteligent răspuns!
  • Utilizator Brainly
2014-10-21T16:06:11+03:00
72+(a-3):2=78 /-72........ (a-3):2=6 /*2....... a-3=12 /+3....... a=15
1 5 1