Răspunsuri

Cel mai inteligent răspuns!
2014-09-05T10:13:28+03:00
5mm=0.5cm;         V1=31*50.5*0.5=782.75cm cub;V2=25*50.5*0.5=631.25cm cub;V3=25*31*0.5=387.5cm cub;V sticlei=V1*2+V2*2+V3=1565.5+1262.5+387.5=3215.5cm cub;Vacvariu=31*50.5*25=39137.5cm cub;Vapa=Vacvariu-Vsticla=39137.5-3215.5=35922cm cub=35.922litri
1 5 1