`3 m 600 cm = 3 xx 100 + 600 = 900cm`
`3 km 60 m =3 xx 1000 + 60 =3060m`
`125 m=1 hm 25 m`
`10cm=10 xx 10 =100mm`
`10m=10 : 10 = 1dam`
`8hm =8 xx 100 = 800m`
`125dm^2 =1m^2 25dm^2`
`43hm^2= 43 xx 10000 = 430000 m^2`
`150m^2 =1 dam^2 50m^2`
3m600cm=.900....cm
3km60m=3060......m
125m=100......hm...25....m
10cm=.100.....mm
10m=..1..dam
8hm=..800....m
125dm2=....m2.....dm2
43hm2=...m2
150m2=.....dam2......m2