1)
[tex]1 \ dm^2=(10 \ cm)^2=100 \ cm^2\\\\6 \ dm^2=6\cdot100 \ cm^2=\boxed{600 \ cm^2}[/tex]
2)
[tex]1 \ cm^2=(10 \ mm)^2=100 \ mm^2\\\\0,6 \ cm^2=0,6\cdot100 \ mm^2=\boxed{60 \ mm^2}[/tex]
3)
[tex]1 \ ha=10 \ 000 \ m^2\\\\0,0006 \ ha=0,0006\cdot10 \ 000 \ m^2=\boxed{6 \ m^2}[/tex]
4)
[tex]1 \ a=100 \ m^2\\\\0,007 \ a=0,007\cdot100 \ m^2=\boxed{0,7 \ m^2}[/tex]
5)
[tex]0,00006 \ ha=0,00006\cdot10 \ 000 \ m^2=\boxed{60 \ m^2}\\[/tex]
