如图是放在地面上的一个长方体盒子,其中
,在线段
的三等分点
(
E=3)处有一只蚂蚁,
中点
处有一米粒,则蚂蚁沿长方体表面爬到米粒处的最短距离为( )
![](https://img.xkw.com/dksih/QBM/2019/7/11/2244452038139904/2283283072000000/STEM/d5a3397257ab41b9927c3f76c3a18021.png?resizew=228)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce3b5d605064328a375e7a3a87c6b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c20b6dab50010f7a5eef15fecc72f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/2019/7/11/2244452038139904/2283283072000000/STEM/d5a3397257ab41b9927c3f76c3a18021.png?resizew=228)
A.10 |
B.![]() |
C.5+![]() |
D.6+![]() |
更新时间:2019-09-04 15:41:43
|
【知识点】 最短路径问题
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