IF THE PRODUCT OF TWO NUMBERS IS ZERO...
Autor: | Forringer, Richard |
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Zdroj: | The Mathematics Teacher, 1994 Feb 01. 87(2), 89-89. |
Databáze: | JSTOR Journals |
Externí odkaz: |
Autor: | Forringer, Richard |
---|---|
Zdroj: | The Mathematics Teacher, 1994 Feb 01. 87(2), 89-89. |
Databáze: | JSTOR Journals |
Externí odkaz: |