\documentclass [a4paper]{article}
\usepackage{german,amsmath,amsfonts}
\author{david vajda}
\title{10/13/25,matrix per python 3, multiplikiation}
\begin{document}
\maketitle
$$
\left(
\begin{tabular}{ccccc}
2 & 12 & 1 & 10 & 10 \\
7 & 13 & 14 & 7 & 2 \\
6 & 9 & 6 & 11 & 7 \\
1 & 13 & 4 & 13 & 12 \\
15 & 2 & 13 & 1 & 11 \\
\end{tabular}
\right)
\cdot
\left(
\begin{tabular}{ccccc}
7 & 10 & 5 & 12 & 8 \\
15 & 7 & 3 & 8 & 14 \\
7 & 6 & 9 & 15 & 1 \\
13 & 3 & 5 & 4 & 9 \\
6 & 12 & 10 & 4 & 5 \\
\end{tabular}
\right)
=
\left(
\begin{tabular}{ccccc}
391 & 260 & 205 & 215 & 325 \\
445 & 290 & 255 & 434 & 325 \\
404 & 276 & 236 & 306 & 314 \\
471 & 308 & 265 & 276 & 371 \\
305 & 377 & 313 & 439 & 225 \\
\end{tabular}
\right)
$$
\end{document}