\begin{minipage}[t]{0.5\textwidth}
\renewcommand{\arraystretch}{1.1}
\centering{}
\begin{tabular}{r l l}
\hline \hline
\rowcolor{tamnosiva}
\color{white}\textsc{Baza} &
\color{white}\textsc{Brojni sistem} &
\color{white}\textsc{Cifre} \\
\hline \hline
\rowcolor{white}
2 & Binarni & 0,1 \\
\rowcolor{svijetloplava}
3 & Ternarni & 0,1,2 \\
\rowcolor{white}
5 & Kvinarni & 0,1,...,4 \\
\rowcolor{svijetloplava}
8 & Oktalni & 0,1,...,7 \\
\rowcolor{white}
10 & Dekadski & 0,1,...,9 \\
\rowcolor{svijetloplava}
12 & Duodekani & 0,1,...,9,$\alpha,\beta$ \\
\rowcolor{white}
16 & Heksadekadski & 0,1,...,9,A,...,F \\
\hline \hline
\end{tabular}

\tabelica{Pozicioni brojni sistemi}
\end{minipage}
\begin{minipage}[t]{0.5\textwidth}
\centering{}
\renewcommand{\arraystretch}{1.1}
\begin{tabular}{|l|c|r|}
\hline \hline
\cellcolor{svijetlozelena}L1 & L2 & L3 \\ \hline
\multirow{2}{*}{MR2} &  \multicolumn{2}{c|}{MC2} \\
\cline{2-2}  & D & \cellcolor{bojakoze}E \\ \hline
G & \cellcolor{roza}E & M \\ \hline
\multicolumn{2}{|c|}{\cellcolor{nebeskoplava}MC1} & \multirow{2}{*}{MR1} \\
A & B & \\
\hline \hline
\end{tabular}

\tabelica{Spajanje ćelija}
\end{minipage}\hfill{}