THE CASE OF THE MISSING NINES AND HOW IT GREW

THE CASE OF THE MISSING NINES AND HOW IT GREW

SAM McDONALD
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Volume:
66
Language:
english
Journal:
The Mathematics Teacher
DOI:
10.2307/27959406
Date:
October, 1973
File:
PDF, 464 KB
english, 1973
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