Zero--the troublemaker
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Real-life situations with animated numerals show the role of zero in addition and subtraction, and its special use as a place holder for other numbers.
Copyright
Registered 21Jun72 · MP23404 (Jan-Jun 1973) Copyright holder: Coronet Instructional Films, a division of Esquire, Inc
Related films
Sources
- 16mm Filmography (legacy record) — title, year, creator, length, format, description, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
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