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yi jian yu fan
Author(s): 
Pages: 22-23+49
Year: Issue:  1
Journal: High-School Mathematics

Keyword:  同理可证直接证明问题研究四边形思路内接三角形四个问题培养能力解题方法刀口;
Abstract: 栏内的五篇文章,结合具体问题研究解题方法和技巧,对开阔思路、培养能力很有裨益。
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