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Choosing the right number (Posted on 2018-02-13) Difficulty: 2 of 5
From a set of 2n+1 consecutive integers a certain number, say x, is selected in a way that the remaining n pairs can be arranged as couples having the same sum.

What are all the possible values of x making such task doable?

See The Solution Submitted by Ady TZIDON    
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  Subject Author Date
re(2): Not feeling literalSteve Herman2018-02-14 10:04:52
Some Thoughtsre: Not feeling literalAdy TZIDON2018-02-14 08:58:22
Solutionre(2): Not feeling literalAdy TZIDON2018-02-14 08:55:36
re: Not feeling literalarmando2018-02-14 02:15:09
SolutionNot feeling literalSteve Herman2018-02-13 20:24:52
Easy, isn't it?armando2018-02-13 09:59:31
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