Subtracting by Counting up: More Evidence
- 期刊名称Journal for Research in Mathematics Education
- 作者Karen C. Fuson and Gordon B. Willis
- 卷第19卷
- 期第5期
- 印刷ISSN0021-8251
- 电子ISSN1945-2306
- 文件大小2047.27KB
- 发表时间1988-11
- DOI10.2307/749174
- 页码402-420
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