Răspunsuri

2014-05-24T13:49:05+03:00
F+b=27

b-4=f-3
b=f-3+4

f+f-3+4=27
2f=27+3-4
2f=26
f=26:2
f=13

b=13-3+4
b=14
2014-05-24T13:49:57+03:00
13 fete
14 baieti
13+14=27
13-3=10 fete
14-4=10 baieti