Răspunsuri

2014-09-11T12:00:24+03:00
V=L*l*h

V=3*2*2,5

V=15m³= 15000dm³= 15000l= 150hl

7,5h.........1o
150hl.........x

x=150/7,5

x=20 ore
1 5 1