Răspuns :
4dl=4x100=400ml
19dl=19x100=1900ml
140cl=140x10=1400ml
28l=28x1000=28000ml
450cl=450x10=4500ml
19dl=19x100=1900ml
140cl=140x10=1400ml
28l=28x1000=28000ml
450cl=450x10=4500ml