吳聰敏老師的討論區

[tmwu]

Try:

\begin{figure}
\centering
\includegraphics[scale=0.35]{p1}
\includegraphics[scale=0.35]{p1}

\includegraphics[scale=0.2]{p1}
\includegraphics[scale=0.2]{p1}
\includegraphics[scale=0.2]{p1}
\end{figure}