perplexus.info :: Sequences : Square sequence

Square sequence (Posted on 2003-09-09)

Here is a square sequence of numbers.

What are the two question marks?

See The Solution Submitted by Gamer

Rating: 4.5000 (4 votes)

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re: Possible solution???

| Comment 2 of 18 |

(In reply to Possible solution??? by fwaff)

I like fwaff's solution... I came to the same solution in a different way:

3926

6__3

7__4

4817

Same logic to get the difference of 2 (so that the columns and rows add up), but my thought was... these are the only two numbers I could find to avoid REPEATING the same number in a column or row.

Posted by SilverKnight on 2003-09-09 11:00:12

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