A.1.35g/cm3 B.1.50g/cm3 C.1.60g/cm3 D.1.70g/cm3
A.80m3 B.70m3 C.66.67m3 D.69.67m3
A.1.35g/cm3 B.1.34g/cm3 C.1.40g/cm3 D.1.50g/cm3