perplexus.info :: Just Math : Magic matrix

Magic matrix (Posted on 2015-10-26)

The 1 to 9 digits are randomly arranged into a 3x3 array.

Find the probability that the sum of the numbers in every row, column, and diagonal is a multiple of 9.

No Solution Yet Submitted by Ady TZIDON

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	Subject	Author	Date
	computer solution	Charlie	2015-10-26 10:55:37

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