积累活动经验 感悟数学思想——以苏教版四下《多边形的内角和》的教学为例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1005-6009|volume|25|59-61

ISSN: 1005-6009

Source: 江苏教育, Vol.volume, Iss.25, 2017-01, pp. : 59-61

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Abstract