Show that, given any 12 natural numbers, we can choose two of them such that their difference is divisible by 11.

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- October 4th 2009, 11:16 AMbillymGiven any 12 natural numbers...
Show that, given any 12 natural numbers, we can choose two of them such that their difference is divisible by 11.

- October 4th 2009, 11:24 AMbillym
nevermind i got it. didnt read the question properly (again)

- October 4th 2009, 12:50 PMPlato