Răspunsuri

  • Utilizator Brainly
2014-03-07T10:14:57+02:00
0,(1x)=1x/99; 0,(x1)=x1/99 ⇒ (1x+x1)/99=3/9 ⇒ 1x+x1=33 ⇒ 10+x+10x+1=33 ⇒ 
11x+11=33 ⇒ x=2.