Răspunsuri

2014-06-24T13:51:27+03:00
0,(3)=3/9=1/3
0,(6)=6/9=2/3

x-1/3=2/3*x+1/3

x -1/3 =2x/3 +1/3  aducem la acelasi numitor

3x-1=2x+1

3x-2x=1+1
x=2
2 5 2