# Arithmetic Magic Matrix

Select exactly one square in every row and in every column and check that the sum (or the product) of numbers in the selected squares does not depend on your selections. Can you explain why? How are these tables constructed? Try small sizes, 2×2, 3×3, etc.

What if applet does not run? |

|Contact| |Front page| |Contents| |Algebra| |Eye opener|

Copyright © 1996-2018 Alexander Bogomolny

63221493 |