$\mathrm{2,5}kg2\{,\}5\; kg$ $\backslash mathop\{\backslash widehat\{=\}\}$ $500500$ Blatt

$\mathrm{2,5}kg:5002\{,\}5kg:500$ $\backslash mathop\{\backslash widehat\{=\}\}$ $11$ Blatt

$\mathrm{0,005}kg10\{,\}005kg\; \backslash mathop\{\backslash widehat\{=\}\}\; 1$ Blatt

1 Blatt wiegt 5g.