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A number plus its reversal (Posted on 2018-12-03) Difficulty: 1 of 5
List all two digit numbers that if reversed and added to the original number create a perfect square.

See The Solution Submitted by Ady TZIDON    
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re(3): Corrected Solution | Comment 5 of 6 |
(In reply to re(2): Corrected Solution by Ady TZIDON)

Thanks - I was clearly typing too fast (transcribing a tiny computer program's output.)   

But I believe that Steve H. had me to rights by using his smarts rather than a machine.

(I even wrote down the right equation but failed to use it.) 

One reason i like this site is that I learn lessons!
SL

BTW the abc cube problem I raised has:
101 (a+c) + 2b = n^3


 

  Posted by Steven Lord on 2018-12-04 04:26:37
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