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# Problem 10) (3 points): Prove that any set of 10 distinct positive inte gers contains a pair whose difference is divisible by 9....

## Question

###### Problem 10) (3 points): Prove that any set of 10 distinct positive inte gers contains a pair whose difference is divisible by 9.

Problem 10) (3 points): Prove that any set of 10 distinct positive inte gers contains a pair whose difference is divisible by 9.

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