\documentclass[a4paper]{article} \usepackage{german,amsmath,amsfonts} \begin{document} $$m = 5,n = 4,s = 5$$$$\left(\begin{array}{ccccc}6&4&3&8&\\ 4&2&5&5&\\ 8&1&4&3&\\ 6&6&6&9&\\ 8&2&3&5&\\ \end{array}\right)\left(\begin{array}{cccccc}5&8&6&8&5&\\ 4&8&4&3&4&\\ 0&0&9&5&0&\\ 3&9&6&8&9&\\ \end{array}\right) = \left(\begin{array}{cccccc}70&152&127&139&118&\\ 43&93&107&103&73&\\ 53&99&106&111&71&\\ 81&177&168&168&135&\\ 63&125&113&125&93&\\ \end{array}\right)$$ |