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Cel mai inteligent răspuns!
2014-05-07T14:41:17+03:00
A |_____a____|
b |_____a____||_____a____|
c |_____a____||_____a____|..2..|

in total avem 5 segmente egale si un 2

5a+2=867
5a=867-2
5a=865
a=173

b=173+173
b=346

c=173+173+2
c=348
2 3 2