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Increase or decrease by one (Posted on 2014-04-22) Difficulty: 3 of 5
The false equation :
would become true, once each of its 14 digits
were either increased or decreased by 1.

What is the correct equation?

Rem: Analytical solution preferred.

See The Solution Submitted by Ady TZIDON    
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Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: Analytic SolutionSteve Herman2014-04-23 09:18:11
SolutionAnalytic SolutionPaul2014-04-22 18:46:22
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