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Title: Umíte sčítat přirozená čísla? (Czech)
Author: Calda, Emil
Language: Czech
Journal: Rozhledy matematicko-fyzikální
ISSN: 0035-9343 (print)
Volume: 84
Issue: 1
Year: 2009
Pages: 48-52
Category: math
Summary: In this article, the formula of the sum of the first n natural numbers is derived and then it is used in several examples which can be interesting not only for the pupils of basic school. (English)
Date available: 2017-05-05T05:32:43Z
Last updated: 2017-05-05
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