Hej!
[tex]a] \ 1 \ m^2=(100 \ cm)^2=10 \ 000 \ cm^2\\\\b] \ 1 \ mm^2=(0,1 \ cm)^2=0,01 \ cm^2\\\\c] \ 1 \ a=100 \ m^2\\\\d] \ 1 \ m^2=(0,001 \ km)^2=0,000001 \ km^2[/tex]
Pozdrawiam! - Julka
