ענו על השאלה הבאה:
השלימו את לוח הכפל החלקי :
\begin{array}{c|c}
\times & 4 & 7 & \INPUTBOX{3}{ltr}{8} \\
\hline
\INPUTBOX{1}{ltr}{3} & 12 & \INPUTBOX{5}{ltr}{21} & \INPUTBOX{7}{ltr}{24} \\
\hline
\INPUTBOX{2}{ltr}{6} & 24 & \INPUTBOX{4}{ltr}{42} & \INPUTBOX{9}{ltr}{48} \\
\hline
9 & \INPUTBOX{6}{ltr}{36} & \INPUTBOX{8}{ltr}{63} & 72 \\
\end{array}
\begin{array}{c|c}
\times & 4 & 7 & \INPUTBOX{3}{ltr}{8} \\
\hline
\INPUTBOX{1}{ltr}{3} & 12 & \INPUTBOX{5}{ltr}{21} & \INPUTBOX{7}{ltr}{24} \\
\hline
\INPUTBOX{2}{ltr}{6} & 24 & \INPUTBOX{4}{ltr}{42} & \INPUTBOX{9}{ltr}{48} \\
\hline
9 & \INPUTBOX{6}{ltr}{36} & \INPUTBOX{8}{ltr}{63} & 72 \\
\end{array}