数规律图形中三角形个数的妙招
Publisher： 国家哲学社会科学学术期刊数据库
E-ISSN： 1008-0333|volume|5|4-4
ISSN： 1008-0333
Source： 数理化解题研究：初中版, Vol.volume, Iss.5, 2016-01, pp. : 4-4
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Abstract