Umíte sčítat přirozená čísla?
Rozhledy matematicko-fyzikální, Tome 84 (2009) no. 1, pp. 48-52.
Voir la notice de l'article dans Czech Digital Mathematics Library
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.
@article{RMF_2009__84_1_a11, author = {Calda, Emil}, title = {Um{\'\i}te s\v{c}{\'\i}tat p\v{r}irozen\'a \v{c}{\'\i}sla?}, journal = {Rozhledy matematicko-fyzik\'aln{\'\i}}, pages = {48--52}, publisher = {mathdoc}, volume = {84}, number = {1}, year = {2009}, language = {cz}, url = {https://geodesic-test.mathdoc.fr/item/RMF_2009__84_1_a11/} }
Calda, Emil. Umíte sčítat přirozená čísla?. Rozhledy matematicko-fyzikální, Tome 84 (2009) no. 1, pp. 48-52. https://geodesic-test.mathdoc.fr/item/RMF_2009__84_1_a11/