Răspunsuri

2014-05-24T17:15:00+03:00
Cel mai inteligent răspuns!
2014-05-24T17:16:58+03:00
X+1,(6)=3,9
x+(16-1)/9=3,9
x+15/9=3,9
x+5/3=39/10
30x+50=117
30x=117-50=67
x=67/30=2,2(3)

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