by Luis Ferrero · Cincel · tapa blanda · ISBN 9788441100961
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«Tras la pista de la X» is a maths problem book by Luis Ferrero, published by Cincel in paperback (172 pages, in Spanish).
The book offers a series of maths problems and puzzles to follow the trail of the unknown X. Each exercise is designed to encourage thinking, investigation and the application of logical reasoning strategies, with a didactic approach aimed at the classroom and independent study.
Published on 1 October 1995. ISBN 9788441100961.
Aimed at maths students and teachers looking for exercises to foster reasoning and investigation.
