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Author:
Journal / Book Title:
Year:
Volume:
Issue:
xiang si tu xing kao dian jiang yu lian
Author(s):
ZHANG Jianmin
Pages:
14
-
17
Year:
2006
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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