亚洲男人天堂av,国产一区二区久久精品,国产精品一区二区久久精品,国产精品久久久久久一区二区三区,五月婷婷在线观看视频,亚洲狠狠色丁香婷婷综合

歡迎您訪問數學考題練習:在比例尺為1:40000的工程示意圖上,將于2!

數學考題練習:在比例尺為1:40000的工程示意圖上,將于2

更新時間:2024-01-12 14:01:39作者:貝語網校

在比例尺為1:40000的工程示意圖上,將于2005年9月1日正式通車的南京地鐵一號線(奧體中心至邁皋橋段)的長度約為54.3cm,它的實際長度約為

A.0.2172km

B.2.172km

C.21.72km

D.217.2km

試題答案

C

試題

試題解析

根據比例尺=圖上距離:實際距離,即可求得結果.

由題意得它的實際長度,故選C.

考點:比例尺的應用

點評:計算能力是初中數學學習中一個極為重要的能力,是中考的熱點,在各種題型中均有出現,一般難度不大,需特別注意.

為您推薦

加載中...
主站蜘蛛池模板: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |