Răspuns:
200 cm^3...........218 cm^3.
5 dm^3................. x dm^3.
---------------------------------------
5 dm^3=5000 cm^3...........xcm^3
{200 cm^3; 5000 cm^3} d.p. {218 cm^3; x cm^3}.
200 cm^3:218 cm^3=5000 cm^3: x cm^3
200x=1090000
x=5450 cm^3.
