IS X · 0 = 0 ALWAYS TRUE?

IS X · 0 = 0 ALWAYS TRUE?

RICHARD HUNKLER and HENRY HEATHERLY
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Volume:
64
Language:
english
Journal:
The Mathematics Teacher
DOI:
10.2307/27958626
Date:
November, 1971
File:
PDF, 369 KB
english, 1971
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