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Leading divisibility (Posted on 2021-06-07) Difficulty: 2 of 5
Let n be a positive integer. Prove that if the number 99...9(n 9's) is divisible by n, then the number 11...1(n 1's) is also divisible by n

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
No SubjectThe Home Dekor Australia2021-06-08 04:01:02
Some ThoughtsPossible Solutionbroll2021-06-07 22:45:03
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