这个倍数可能吗?——对一道竞赛题的商榷
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-042x|volume|8|93-94
ISSN: 1002-042x
Source: 物理教师, Vol.volume, Iss.8, 2015-01, pp. : 93-94
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Abstract