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Cel mai inteligent răspuns!
2014-09-05T14:19:15+03:00
2) x/3+1=2x+3/3
x/3-2x=3/3-1
la 2x amplificam cu 3 -» (x-6x)/3=1-1
(x-6x)/3=o |x3
x-6x=0
-5x=0
x=0
1 5 1