摘要
换元是一种数学解题策略。归纳为整体换元、倒数换元、相反换元、三角换元、余角补角换元、对数换元、导数换元等七种,分别举例加以应用说明。学习掌握解题策略,有助于提高解题能力和正确解题效率。
Substitution is one of the mathematics problem-solving strategies, including unity substitution, reciprocal substitution, trigonometric substitution, complementary angle and supplementary angle substitution, logarithmic substitution and derivative substitution, which are illustrated respectively in this paper. It is helpful to improve the ability and the correctness efficiency of question-solving with learning the question-solving strategies.
出处
《浙江工贸职业技术学院学报》
2012年第1期69-72,共4页
Journal of Zhejiang Industry & Trade Vocational College
关键词
换元
解题策略
高等数学
substitution
question-solving strategies
senior mathematics
