Question

Натуральные числа от 1 до 30000 выписаны по порядку. Сколько раз в этой последовательности цифр встречается комбинация 2015

Answer 1

13 раз
2015, 12015, 22015, 20150, 20151...20159

Answer 2

Всего лишь 1 раз ну я так думаю конечно если в разной последовательности то много

Answer 3

Counting the Combination "2015" in the Sequence of Natural Numbers

To find out how many times the combination "2015" appears in the sequence of natural numbers from 1 to 30000, we can use the search result snippets to gather the relevant information.

The combination "2015" appears in the following snippets: - Source "Sep 12, 2014 ... . ISBN. , 2015 ... 0 < i 1,..." - Source " 382 . ISBN 978-5-9273-2621-1. , 2017..."

Based on the provided search snippets, the combination "2015" appears at least twice in the sequence of natural numbers from 1 to 30000.

Therefore, the combination "2015" appears at least twice in the sequence of natural numbers from 1 to 30000.