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Elementary Mathematics

  • W. Gellert
  • H. Küstner
  • M. Hellwich
  • H. Kästner

Abstract

What are natural numbers? Two kinds of activity made our ancestors face the necessity of occupying themselves with numbers; this led to the development of cardinal and ordinal numbers.

Keywords

Great Circle Trigonometric Function Spherical Triangle Perpendicular Bisector Decimal Fraction 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© VEB Bibliographisches Institut Leipzig 1975

Authors and Affiliations

  • W. Gellert
  • H. Küstner
  • M. Hellwich
  • H. Kästner

There are no affiliations available

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