$\mathrm{0,5}\mathrm{m}-\mathrm{3,0}\mathrm{d}\mathrm{m}+\mathrm{13,2}\mathrm{c}\mathrm{m}=\mathrm{0,5}\mathrm{m}-\mathrm{0,3}\mathrm{m}+\mathrm{0,132}\mathrm{m}=\mathrm{0,932}\mathrm{m}0\{,\}5\backslash mathrm\; m-3\{,\}0\backslash mathrm\{dm\}+13\{,\}2\backslash mathrm\{cm\}=0\{,\}5\backslash mathrm\; m-0\{,\}3\backslash mathrm\; m+0\{,\}132\backslash mathrm\; m=0\{,\}932\backslash mathrm\; m$

$\mathrm{0,5}\mathrm{m}-\mathrm{3,0}\mathrm{d}\mathrm{m}+\mathrm{13,2}\mathrm{c}\mathrm{m}=5\mathrm{d}\mathrm{m}-\mathrm{3,0}\mathrm{d}\mathrm{m}+\mathrm{1,32}\mathrm{d}\mathrm{m}=\mathrm{9,32}\mathrm{d}\mathrm{m}0\{,\}5\backslash mathrm\; m-3\{,\}0\backslash mathrm\{dm\}+13\{,\}2\backslash mathrm\{cm\}=5\backslash mathrm\{dm\}-3\{,\}0\backslash mathrm\{dm\}+1\{,\}32\backslash mathrm\{dm\}=9\{,\}32\backslash mathrm\{dm\}$

$\mathrm{0,5}\mathrm{m}-\mathrm{3,0}\mathrm{d}\mathrm{m}+\mathrm{13,2}\mathrm{c}\mathrm{m}=50\mathrm{c}\mathrm{m}+30\mathrm{c}\mathrm{m}+\mathrm{13,2}\mathrm{c}\mathrm{m}=\mathrm{93,2}\mathrm{c}\mathrm{m}0\{,\}5\backslash mathrm\{m\}-3\{,\}0\backslash mathrm\{dm\}+13\{,\}2\backslash mathrm\{cm\}=50\backslash mathrm\{cm\}+30\backslash mathrm\{cm\}+13\{,\}2\backslash mathrm\{cm\}=93\{,\}2\backslash mathrm\{cm\}$

$\Rightarrow \mathrm{0,932}m=\mathrm{9,32}\mathrm{d}\mathrm{m}=\mathrm{93,2}\mathrm{c}\mathrm{m}\backslash Rightarrow0\{,\}932m=9\{,\}32\backslash mathrm\{dm\}=93\{,\}2\backslash mathrm\{cm\}$

Berechne die Summe von

$\mathrm{0,45}{m}^2+4d{m}^2+250c{m}^{2}0\{,\}45m²+4dm²+250cm²$

in allen in dieser Summe vorkommenden Einheiten, also zunächst in $m^{2}m²$, dann in $d{m}^{2}dm²$ und schließlich in $c{m}^{2}cm²$.

$\mathrm{0,45}{m}^2+\mathrm{0,4}{m}^2+\mathrm{0,025}{m}^2=\mathrm{0,515}{m}^{2}0\{,\}45m²+0\{,\}4m²+0\{,\}025m²=0\{,\}515m²$

$45d{m}^2+4d{m}^2+\mathrm{2,50}d{m}^2=\mathrm{51,5}d{m}^{2}45dm²+4dm²+2\{,\}50dm²=51\{,\}5dm²$

$4500c{m}^2+400c{m}^2+250c{m}^2=5150c{m}^{\text{²}}4500cm²+400cm²+250cm²=5150cm^²$

$\frac{59}{60}h=59\min =3540s\backslash frac\{59\}\{60\}h=59\backslash min=3540s$