$39m^{2}6{\mathrm{d}\mathrm{m}}^{2}39m^2\backslash ;6\backslash mathrm\{dm\}^2$

$=390600{\mathrm{c}\mathrm{m}}^2=390600\backslash ;\backslash mathrm\{cm\}^2$

$2m^{2}5{\mathrm{d}\mathrm{m}}^{2}60{\mathrm{c}\mathrm{m}}^{2}2m^2\backslash ;5\backslash mathrm\{dm\}^2\backslash ;60\backslash mathrm\{cm\}^2$

$=20.560{\mathrm{c}\mathrm{m}}^2=20.560\backslash mathrm\{cm\}^2$