Răspuns:
a). V= L•l•h
V=50•30•3
V=4500m la puterea 3 = 4500 000dm la puterea 3= 4500| 1dm la puterea 3 = 1l
b).V=50•30•2 = 3000 m la puterea 3 = 3 000000 dm la puterea a 3 = 3 000000|
4500000:200=22500 min = 375h
ASTEPT COROANA !!!!!!
