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pro vyhledávání: '"R. L. Ohlsen"'
Publikováno v:
The Arithmetic Teacher. 32:5-25
Our fourth graders in the mathematics program for gifted students have been studying Cryptarithms by Josephine and Richard Andree. We discussed ways to approach digit replacement by carrying, observing several letters that remain the same, changing t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d963093a59ed8c70f18f71fb21962412
https://doi.org/10.5951/at.32.1.0005
https://doi.org/10.5951/at.32.1.0005
