2022 AIME I Problems/Problem 13
Problem
Let be the set of all rational numbers that can be expressed as a repeating decimal in the form where at least one of the digits or is nonzero. Let be the number of distinct numerators obtained when numbers in are written as fractions in lowest terms. For example, both and are counted among the distinct numerators for numbers in because and Find the remainder when is divided by
See Also
2022 AIME I (Problems • Answer Key • Resources) | ||
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Followed by Problem 13 | |
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