uitwerkingen kortste route
A
$
\left( {\begin{array}{*{20}c}
4 \\
2 \\
\end{array}} \right) \times \left( {\begin{array}{*{20}c}
6 \\
4 \\
\end{array}} \right) = 90
$
B
$
\left( {\begin{array}{*{20}c}
5 \\
3 \\
\end{array}} \right) \times \left( {\begin{array}{*{20}c}
6 \\
3 \\
\end{array}} \right) \times \left( {\begin{array}{*{20}c}
5 \\
3 \\
\end{array}} \right) \times \left( {\begin{array}{*{20}c}
8 \\
3 \\
\end{array}} \right) = {\rm{112}}{\rm{.000}}
$