Super magic square

Probability Level 3

Leave a space or write a distinct integer from 1 to 10 into each cell of a 5 × 5 5\times 5 square. You must use all of the numbers (1, 2, 3, 4, 5, 6, 7, 8, 9, 10). The numbers around the square shows the sum of the numbers in that row or column or diagonal.

Find the sum of the numbers in the red squares!

Here is a sangle with numbers 1 to 8:


The answer is 29.

Áron Bán-Szabó by Áron Bán-Szabó , 17, Hungary

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1 solution

Jon Haussmann
Aug 22, 2017

The complete grid:

10 6 9 3 8 1 2 5 4 7 \begin{array}{|c|c|c|c|c|} \hline & & 10 & 6 & \\ \hline 9 & 3 & & & \\ \hline & & & 8 & 1 \\ \hline & 2 & 5 & & \\ \hline 4 & & & & 7 \\ \hline \end{array}

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