Предмет: Математика, автор: НовичокOo

В гостинице 1000 номеров и они нумеруются подряд,начиная с 1.На дверях висит табличка с указанием номера.Сколько раз на этих табличках встречается цифра 3?

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Автор ответа: sova345

333 раза если я не ошибаюсь

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