`100 cm^2=100:100=1 dm^2`
`20000 cm^2=20000:10000=2 m^2`
`125 m^2=125xx10000=1250000cm^2`
`12 m^2 3dm^2=12xx10000+3xx100=120300 cm^2`
`6 m^2 7dm^2=6xx100+7=607 dm^2`
100cm2 = 1dm2
20000cm2 = 2m2
125m2 = 1250000cm2
3100dm2 = 310000cm2
12m2 3dm2 = 120300cm2
6m2 7dm2 = 607dm2
100cm² = 1dm² 20 000cm² = 2m²
125m² = 1 250 000cm² 3100dm² = 310 000cm²
12m² 3dm² = 120 300 cm² 6m² 7dm² = 607dm²