MathDB
1999 Gauss (7) #20

Source:

July 6, 2011
Gauss

Problem Statement

The first 9 positive odd integers are placed in the magic square so that the sum of the numbers in each row, column and diagonal are equal. Find the value of A+EA + E.
\begin{tabular}{|c|c|c|}\hline A & 1 & B \\ \hline 5 & C & 13\\ \hline D & E & 3 \\ \hline\end{tabular}
<spanclass=latexbold>(A)</span> 32<spanclass=latexbold>(B)</span> 28<spanclass=latexbold>(C)</span> 26<spanclass=latexbold>(D)</span> 24<spanclass=latexbold>(E)</span> 16<span class='latex-bold'>(A)</span>\ 32 \qquad <span class='latex-bold'>(B)</span>\ 28 \qquad <span class='latex-bold'>(C)</span>\ 26 \qquad <span class='latex-bold'>(D)</span>\ 24 \qquad <span class='latex-bold'>(E)</span>\ 16