Răspunsuri

  • Utilizator Brainly
2014-03-02T18:37:55+02:00
A/b=0,(3)=3/9=1/3 ⇒ 3a=b
b-a=2,4 ⇒ 3a-a=2,4 ⇒ a=1,2=12/10=6/5,a=6/5
b=18/5=3,6