“等比数列前n项和”教学设计与思考

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1674-6058|volume|8|12-14

ISSN: 1674-6058

Source: 中学教学参考, Vol.volume, Iss.8, 2015-01, pp. : 12-14

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Abstract