Open University., Arts Mathematics : Interfaculty Second Level Course
Written fractions / The Open University. Arts Mathematics : an Interfaculty Secon Level Course ; prepared by B. L. van der Waerden
Written fractions / The Open University. Arts Mathematics : an Interfaculty Secon Level Course ; prepared by B. L. van der Waerden
. - Walton Hall : The Open University Press, 1976
. - 50 p. : il. 30 cm
. - (History of mathematics., Counting, numerals and calculation; 4)
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