IOM 2021, Блиц — Задача 75

The Blitz-contest of IOM-2021

Условие

You represent the decimal integer 91 in the notation with base $b$. For which $b$ it’s representation has at least three equal digits?

Отговори

Решение

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Оригинал в Архива: iom-2021-blitz-tasks-eng.pdf · официални решения: iom-2021-blitz-answers-eng.pdf