Using Patterns with Negative Numbers — or, Do Two Minuses Really Make a Plus?
- 期刊名称Mathematics in School
- 作者Christian Puritz
- 卷第33卷
- 期第4期
- 印刷ISSN0305-7259
- 文件大小593.61KB
- 发表时间2004-09
- DOI10.2307/30215721
- 页码26-27
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