$\begin{array}{c}1000000000-250100000=749900000\\ \underset{‾}{-250100000}\\ 749900000\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash ,\backslash ,\; \backslash ,\backslash ,\; 1000000000\; -\; 250100000\; =\; 749900000\; \backslash \backslash \backslash underline\{\backslash ,\backslash ,-250100000\}\backslash \backslash \backslash ,\backslash ,\backslash ,\backslash ,\backslash ,\backslash ,\backslash ,749900000\backslash end\{array\}$

Die Zahl $\mathrm{749.900.000}749.\; 900\; .000$ ergänzt die Zahl $\mathrm{250.100.000}250.100.\; 000$ zu $\mathrm{1.000.000.000}1.\; 000.\; 000.\; 000$.