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Erase one (Posted on 2017-05-28) Difficulty: 1 of 5
Given the numbers 1,2,3,4,…,n can you always erase one number so that the mean of the remaining numbers is an integer?

See The Solution Submitted by Ady TZIDON    
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  Subject Author Date
SolutionCan doSteve Herman2017-05-28 10:28:07
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