ladayna mouraba3 mou9assam ila n^2 khana wa ladayena n bayda9a moutachabiha
nouwazi3 hadihi lbayed9ate dakhil alkhanate 3ala ane kola khana la tatasi3ou l2aktar min bayda9a wa7ida
1-ma 3adad atawzi3ate almoumkina?
2-ma 3adad atawzi3ate alati toujadou fiha jami3e albayda9ate fi nafse asater awe fi nafess al3amoude?
3-bayen ana 3adad al7alate alaty takounou fiha bayda9a fi kouli sater wa fi kouli 3amoud houwa (n!)^2