1993 AJHSME Problems/Problem 14
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Problem
The nine squares in the table shown are to be filled so that every row and every column contains each of the numbers 
. Then 
\[\begin{tabular}{|c|c|c|} \hline 1 & & \\ \hline
& 2 & A \\ \hline & & B \\ \hline
\end{tabular}\]
