| Title:
|
Tři snadné (?) úlohy (Czech) |
| Author:
|
Calda, Emil |
| Language:
|
Czech |
| Journal:
|
Rozhledy matematicko-fyzikální |
| ISSN:
|
0035-9343 (print) |
| Volume:
|
93 |
| Issue:
|
1 |
| Year:
|
2018 |
| Pages:
|
39-40 |
| Summary lang:
|
English |
| . |
| Category:
|
math |
| . |
| Summary:
|
The article presents three (not so) easy mathematical problems. In the first problem, the task is to find such a natural number $n$ that the product $999\cdot n$ contains only the digits 1. The second problem and the third problem are based on the parity of natural numbers. (English) |
| . |
| Date available:
|
2018-04-11T13:00:53Z |
| Last updated:
|
2019-10-01 |
| Stable URL:
|
http://hdl.handle.net/10338.dmlcz/147166 |
| . |
| Reference:
|
[1] Calda, E.: Sbírka řešených úloh – Středoškolská matematika pod mikroskopem, 1. kapitola.Prometheus, Praha, 2006. |
| . |
