Koda
*** QuickLaTeX cannot compile formula: \begin{tikzpicture}[scale=1] \begin{tikzpicture}[] \foreach \z in {3,2,1,0} { \foreach \x in {2,4,6,8,10} \foreach \y in {2,4,6,8,10} \draw [fill=red,opacity=1](\x+\z,\y+\z) circle(1cm); \foreach \x in {3,5,7,9} \foreach \y in {3,5,7,9} \draw [fill=blue](\x,\y) circle(0.41cm); } \end{tikzpicture} *** Error message: Environment tikzpicture undefined. leading text: \begin{tikzpicture}pa nam da naslednjo grafiko