参透数学原理内涵,揭示解题思维本原——解压轴题中零点问题时定号特征值的取值策略

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1001-8875|volume|30|75-78

ISSN: 1001-8875

Source: 数学教学通讯, Vol.volume, Iss.30, 2017-01, pp. : 75-78

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Abstract