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Singular squares (Posted on 2008-11-23) Difficulty: 2 of 5
What is the greatest perfect square with different digits in ascending order from left to right?

The same, in descending order?

What is the best way to narrow this search?

See The Solution Submitted by pcbouhid    
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partial answer (spoiler) | Comment 1 of 3
If I set up the cells in the spreadsheet correctly, ...

... the greatest perfect square with different digits in ascending order from left to right is 134689 [3672]; and, the greatest perfect square with different digits in descending order from left to right is 961 [312].


  Posted by Dej Mar on 2008-11-23 17:30:01
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