Pigeon hole principle :
given 12 different 2-digit numbers, show that one can choose two of t...
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Mathematics, 14.09.2019 06:30 nihadsalim10
Pigeon hole principle :
given 12 different 2-digit numbers, show that one can choose two of them so that their difference is a two-digit number with identical first and second digit. (hint: think elevens! )
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