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yi lei dong xian gou zao san jiao xing xiang si wen ti de yi ban jie lun
Author(s): 
Pages: 31-34
Year: Issue:  4
Journal: ZHONGXUE SHUXUE ZAZHI(CHUZHONG BAN)

Keyword:  三角形相似问题构造方式中考命题数学综合题数量关系抛物线知识点趣味性;
Abstract: 探究与抛物线有关的动线构造的图形之间的位置、数量关系等,是中考数学综合题的一般构造方式.由于问题的开放性较强,联系的知识点较多,富有趣味性、探究性的特点,因此倍受各地中考命题的重视.下面结合与动线、抛物线上动点构造的三角形相似问题进行分析,并得出一般问题的普遍性结论,供参考.
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