PAMO 2004 Problem 5
- Day 2
Each of the digits , , and occurs at least once in the decimal representation of some positive integers. Prove that one can permute the digits of this integer such that the resulting integer is divisible by .
Dataset text AI-MO AoPS. Quoted with source.
Official text: Pan-African Mathematics Olympiad 2004 official paper, page 1.
Solutions
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