Odpowiedź:
Wyjaśnienie:
d=m/v
d=1800/2=900kg/m3
v=m/d
v=3900/7800=0.5m3
m=d*v
m=2700*4=10800kg
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Odpowiedź:
Wyjaśnienie:
d=m/v
d=1800/2=900kg/m3
v=m/d
v=3900/7800=0.5m3
m=d*v
m=2700*4=10800kg