Multiplying by eleven—a place-value exploration
- 期刊名称The Arithmetic Teacher
- 作者GAIL SPITLER
- 卷第24卷
- 期第2期
- 印刷ISSN0004-136X
- 文件大小485.12KB
- 发表时间1977-02
- DOI10.2307/41191330
- 页码122-124
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