עָנוּ עַל הַשְּׁאֵלָה הַבָּאָה
הַשְׁלִימוּ אֶת לוּחַ הָחִבּוּר:
\begin{array}{c|c}
\hline
+ & 4 & 3 & 8 \\
\hline
6 & \INPUTBOX{5}{ltr}{10} & \INPUTBOX{4}{ltr}{9} & \INPUTBOX{6}{ltr}{14} \\
\hline
\INPUTBOX{1}{ltr}{1} & 5 & \INPUTBOX{2}{ltr}{4} & \INPUTBOX{3}{ltr}{9} \\
\hline
\INPUTBOX{7}{ltr}{7} & \INPUTBOX{8}{ltr}{11} & 10 & \INPUTBOX{9}{ltr}{15} \\
\end{array}
\hline
+ & 4 & 3 & 8 \\
\hline
6 & \INPUTBOX{5}{ltr}{10} & \INPUTBOX{4}{ltr}{9} & \INPUTBOX{6}{ltr}{14} \\
\hline
\INPUTBOX{1}{ltr}{1} & 5 & \INPUTBOX{2}{ltr}{4} & \INPUTBOX{3}{ltr}{9} \\
\hline
\INPUTBOX{7}{ltr}{7} & \INPUTBOX{8}{ltr}{11} & 10 & \INPUTBOX{9}{ltr}{15} \\
\end{array}