15dm2 = ......................cm2
a 15dm2 = ......................cm2 b 2300cm2 = .........................dm2
40dm2 = ......................cm2 50000cm2 = .......................dm2
3dm2 12cm2 =.....................dm2 cm2 1230cm2 = ...............dm2.............cm2
2010m2 = ......................dm2 10500dm2 = ........................m2
25dm2 = .......................cm2 7400cm2 = .........................dm2
5dm2 3cm2 = ....................cm2 18dm2 40cm2 = ........................cm2
5m2 = ...................cm2 21m2 200cm2 = ............................dm2