巧用“线形示意图”解一次函数应用题

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1672-1969|volume|8|65-66

ISSN: 1672-1969

Source: 数学之友, Vol.volume, Iss.8, 2016-01, pp. : 65-66

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Abstract