Răspunsuri

  • Utilizator Brainly
2014-03-03T18:45:20+02:00
A+b=100 (suma lor)
a=9b (al doilea mai mic de 9 ori decat primul)
9b+b=100 ⇒ b=10;
a=100-b, a=90
2014-03-03T18:52:24+02:00
A+b=100
b=a:9⇒a=9b
9b+b=100
10b=100
b=100:10=10
a=9·10=90