Pretvori :
a) 4 m = __________________ cm = ______________________ dm
b) 300 dm2= _______________ m2=____________________ cm2
c) 420 dm3= ___________________ L=___________________ m3
d) 200 dag= __________________ kg= __________________ mg
e) 1.2 g/cm3= _________________________ kg/m3