Метод на децата в блока
Method of the Children in the Skyscraper
Author(s): Ivaylo KortezovSubject(s): Social Sciences, Education, School education, Vocational Education, Adult Education, Higher Education , History of Education
Published by: Национално издателство за образование и наука „Аз-буки“
Keywords: double counting; binomial coefficients; combinatorial identities
Summary/Abstract: The article proposes a double counting method for proving combinatorial identities that is easily visualized and remembered by the students. It allows them to apply it creatively to many situations and to (re)discover related results by themselves. The article is oriented towards preparation for mathematical contests mainly in junior high school, however the acquired techniques can be useful far beyond that age.
Journal: Математика и информатика
- Issue Year: 63/2020
- Issue No: 5
- Page Range: 527-537
- Page Count: 11
- Language: Bulgarian
- Content File-PDF
