Răspuns :
piese in total l__________l__________l
piese pierdute l__________l__120_l
piese ramase l--295-l
jumatate din piese = 120+295=415
total 415+415=830 piese
piese pierdute l__________l__120_l
piese ramase l--295-l
jumatate din piese = 120+295=415
total 415+415=830 piese