This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
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Happy Monday! This problem is inspired by the 1971 Canadian Math Olympiad Q7
Which are there more of, 2-digit numbers that are divisible by their 10s digit, or 2-digit numbers that are divisible by their unit digit?
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2025-03-31T15:15:02.102Z