精心变式 变出精彩——基于《一元二次方程的应用》(1)案例分析

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1672-1969|volume|4|40-43

ISSN: 1672-1969

Source: 数学之友, Vol.volume, Iss.4, 2016-01, pp. : 40-43

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Abstract