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xiang si tu xing kao dian jiang yu lian
Author(s): 
Pages: 14-17
Year: Issue:  4
Journal: School Journal of Mathematics

Keyword:  格点三角形比例尺解析实际距离相似三角形不相似正方形成比例相似图测试距离;
Abstract: <正>考点一:根据比例尺,求实际距离例1 (2005年·南京)在比例尺为1∶40 000的工程示意图上,量得将于2005年9月1日正式通车的南京地铁一号线的长度约为54.3 cm, 它的实际长度约为( ).
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