Fracaso de la matematica moderna. Por que Juanito no sabe sumar?
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Author
Publication
1977 - Siglo XXI Editores Mexico
Word Count
52,000 words, Guess
Page Count
208 pages
Physical Format
Paperback
Identifiers
- ISBN-109682316626
- ISBN-139789682316623
- Open LibraryOL35634127M
Subjects
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