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 The Central Cell (Posted on 2004-04-16)
Prove that the central cell (the number in the middle cell) of any 3x3 magic square is always one-third the magic constant (the sum of any side, either 2 major diagonals, or either center row in the magic square).
Show that in any larger square (n x n), the central cell does not need to be 1/n the magic constant.

 See The Solution Submitted by Victor Zapana Rating: 4.5000 (4 votes)

 Subject Author Date Testing Gamer 2006-12-21 17:03:08 Solution Gamer 2006-12-21 15:42:54 re(2): The second part Brian Smith 2004-04-16 19:19:29 re: General counter-example Tristan 2004-04-16 18:32:53 re(2): Solution to part 1 SilverKnight 2004-04-16 18:16:33 General counter-example Tristan 2004-04-16 17:47:12 re: Solution to part 1 e.g. 2004-04-16 17:12:32 Solution to part 1 Jer 2004-04-16 14:16:44 re: The second part SilverKnight 2004-04-16 14:11:55 The second part Brian Smith 2004-04-16 14:09:32 First part e.g. 2004-04-16 12:28:11

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