\[\begin{aligned} 8 \times 3
\hspace{7px} \underline{\hspace{10px} ? \hspace{10px}} \hspace{7px}
27 \end{aligned}\]
\[\begin{aligned} 8 \times 3
\hspace{7px} \underline{\hspace{10px} ? \hspace{10px}} \hspace{7px}
27 \end{aligned}\]
\[\begin{aligned} 6 \times 8
\hspace{7px} \underline{\hspace{10px} ? \hspace{10px}} \hspace{7px}
48 \end{aligned}\]
\[\begin{aligned} 6 \times 8
\hspace{7px} \underline{\hspace{10px} ? \hspace{10px}} \hspace{7px}
50 \end{aligned}\]
\[\begin{aligned} 10 \times 4
\hspace{7px} \underline{\hspace{10px} ? \hspace{10px}} \hspace{7px}
40 \end{aligned}\]
\[\begin{aligned} 10 \times 4
\hspace{7px} \underline{\hspace{10px} ? \hspace{10px}} \hspace{7px}
42 \end{aligned}\]