DK-GEORGMOHR 2014 Problem 1
Georg chooses three distinct digits among and writes them down on three cards. When the cards are laid down next to each other, a three-digit number is formed. Georg tells his mother that the sum of the largest and the second-largest number that can be formed in this manner is . Can she figure out which three digits Georg has chosen?
Dataset text AI-MO AoPS. Quoted with source.
Official text: Georg Mohr Contest 2014 official paper, page 1.
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