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Talk:2018 AMC 12B Problems/Problem 15

Revision as of 10:14, 7 January 2022 by S21 abdurahimmetinov (talk | contribs) (For how many digits $C$ is the positive three-digit number $1C3$ a multiple of 3?)
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For how many digits $C$ is the positive three-digit number $1C3$ a multiple of 3?

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