章首课应敢于破出“围城”——以《圆锥曲线》章首课教学为例
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1672-1969|volume|24|42-44
ISSN: 1672-1969
Source: 数学之友, Vol.volume, Iss.24, 2016-01, pp. : 42-44
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Abstract