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li xi yong gou zao tu xing fa jie zhong kao ti
Author(s): 
Pages: 57-59
Year: Issue:  4
Journal: ZHONGXUE SHUXUE ZAZHI(CHUZHONG BAN)

Keyword:  构造图形图形法中考题例析中考数学试卷综合运用最值线段;
Abstract: 翻开2012年全国各地中考数学试卷,与线段最值有关的问题频频出现,精彩纷呈、此类问题大多具有综合性、创新性,带有一定的难度.事实上,这些问题可以通过构造图形打开解题突破口,然后综合运用有关知识轻松解决,我们不妨把这种方法称为“构造图形法”.现从中撷取几例,解析如下.
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