换元法求定积分的巧用
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1674-5884|9|8|34-36
ISSN: 1674-5884
Source: 当代教育理论与实践, Vol.9, Iss.8, 2017-01, pp. : 34-36
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Abstract