Răspunsuri

2014-10-13T14:54:17+03:00
Sterge-l te rog.................................................
3 2 3
2014-10-13T14:54:57+03:00
Pai pot fi 2 raspunsuri o data cand x=7 si o data cand x=9 deci se rezolva asa : 3+7+7+2=19 si 3+7+9+2=21