8.63m2= dm2 6270cm2= dm27.94m3= dm3 2090cm3= dm38.04dm3= L= ml 2750cm3= L ml7.5L= dm3= cm3 3064dm3= m3 dm3.
:16==0.125= %
=0.75= : .
= (填小数)
÷12=2=7× = %
( ):12==.