Răspuns:
f=b+13
b+2= f:2 => f=2(b+2)= 2b+4
2b+4=b+13
2b-b=13-4
b= 9 baieti
f =b+13=9+13=22 fete
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Răspuns:
f=b+13
b+2= f:2 => f=2(b+2)= 2b+4
2b+4=b+13
2b-b=13-4
b= 9 baieti
f =b+13=9+13=22 fete