Books about Arithmetic -- Study and teaching (sorted by popularity)

http://book.klll.cc/ebooks/subject/23241.opds 2025-08-05T05:30:47Z Books about Arithmetic -- Study and teaching (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-05T05:30:47Z https://book.klll.cc/ebooks/39300.opds The Psychology of Arithmetic Edward L. Thorndike