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Cel mai inteligent răspuns!
2014-02-12T20:07:01+02:00
_ _ baieti
_fete
287-26=261fete si baieti in competitie
261:3=87fete
87*2=174baieti
29 4 29
2014-02-12T20:08:28+02:00
F+b=287
f+b=287-26=261
f=b/2
b/2+b=261 aducem la acelasi numitor
b+2b=522
3b=522
b=174  f=87
12 3 12