perplexus.info :: Just Math : Increasing sequences

Increasing sequences (Posted on 2015-11-30)

List all the 3X3 arrays of nine distinct positive digits such that each of the rows and each of the columns is an increasing sequence.
Example: 1,2,5; 3,4,7; 6,8,9.

See The Solution Submitted by Ady TZIDON

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How about...?

| Comment 2 of 3 |

Analytical solution, anyone?

Posted by Ady TZIDON on 2015-12-01 21:10:48

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