初中数学教材难易程度的国际比较研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1004-9894|24|4|3-7

ISSN: 1004-9894

Source: 数学教育学报, Vol.24, Iss.4, 2015-01, pp. : 3-7

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Abstract