W przypadku �rodowiska {\tt subeqnarray} \begin{subeqnarray} \label{eqw} \slabel{eq0} x & = & a \times b \\ \slabel{eq1} & = & z + t\\ \slabel{eq2} & = & z + t \end{subeqnarray} pierwsze r�wnanie ma numer~\ref{eq0}, a ostatnie~\ref{eq2}. natomiast ca�e wyra�enie nosi numer:~\ref{eqw}. W przypadku standardowego �rodowiska {\tt eqnarray}. \begin{eqnarray} \label{eq10} x & = & a \times b \\ \label{eq11} & = & z + t\\ \label{eq12} & = & z + t \end{eqnarray} pozycje nosz� numery:~\ref{eq10},~\ref{eq11} and~\ref{eq12}.
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