制造认知矛盾 激发探究欲望——《加法交换律和加法结合律》教学预设与说明

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1009-864x|volume|8X|30-33

ISSN: 1009-864x

Source: 求学:理科版, Vol.volume, Iss.8X, 2017-01, pp. : 30-33

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Abstract