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\begin{document}%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 


{\em  
%*********************************************************************************************
\begin{enumerate}
\item\label{1} اگر$\ [a,b]=[-2\ ,\ \dis{8\over3}]\cap[0\ ,\ 3]\cap[-3\ ,\ 7]\ $ آنگاه $\ a+3b\ $ کدام است ؟ 
\fourj{$0$}{$8$}{$-8$}{$\dis\frac{8}{3}$}
\def\Aa{گزینه 2}

\item مینیمم مجموعهٔ $A=\left\{\left\lfloor\dis\frac32\sin x\right\rfloor\;:\;x\in\R\right\}$ کدام است؟
\fourj 
{۲-}{۱-}{صفر}{مجموعهٔ $A$ دارای عضو مینیمم نیست.}

\end{enumerate}
\newpage 
\subsection{پاسخنــامه }
\begin{multicols}{5}
\begin{enumerate}


\item[\ref{1})] \Aa \item[\ref{2})] گزینه 
\item[\ref{3})] گزینه \item[\ref{4})] گزینه 
\item[\ref{5})] گزینه \item[\ref{6})] گزینه

\end{enumerate}

\end{multicols}

\end{document}