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How can I get effect like this. I know this is a two tables but I need to fix the width of columns to expand it on width of page.
\begin{center}
\begin{tabular}{ l c c r }
\textbf{Rząd} & \textbf{Tradycyjna nazwa} & \textbf{Wzór} & \textbf{Błąd} \\
\end{tabular}
\end{center}
\newpage
\begin ...

Thanks for a help.Now everything works fine but last thing i want to change a page numbering of page i have only a page's number but i want "page 1 of x " (where x will be a number of pages in document).How can i do that?

Thanks for help.I will use your advices.Here is all my source code maybe now you will find cause of my problems. When i comment with(%) a \pagebreak above line63 error disappear but that don't satisfied me :P.

\documentclass[11pt]{article}
\usepackage[T1]{fontenc}
\usepackage[leqno,fleqn]{amsmath ...

Hello
I got few problems with equations.I align it to left side.It works but compiler show me some errors.It's strange because I have in my document some equations with no errors and the errors appears at line63 so i'm confused. \flalign and \align* and \flushleft isn't solve a problem so i decided ...