山重水复疑无路 柳暗花明又一村——一道高中数学联赛题的视角转换

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1672-1969|volume|8|84-85

ISSN: 1672-1969

Source: 数学之友, Vol.volume, Iss.8, 2015-01, pp. : 84-85

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Abstract