题库搜索>问题求解PS-17822
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The surface distance between 2 points on the surface of a cube is the length of the shortest path on the surface of the cube that joins the 2 points. If a cube has edges of length 4 centimeters what is the surface distance, in centimeters, between the lower left vertex on its front face and the upper right vertex on its back face?
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我有更好的解析 
暂无雷哥网文字解析
把立方体想象成一个纸盒子，把纸盒子拆开变形成一个整体，整体形状似十字架，题目中所说的前左下角为十字架的左下角，而题目中所说的后上角为十字架正中间的那个正方形的右上角，将两点连直线，形成一个直角三角形，直角的两个角对应的其中一个底边为4cm，而另一个为(4+4)cm，所求为 h^2 = (4)^2 + (4 + 4)^2, h = 4 (sqr 5)
小良冠二郎
你tm這題在說什麼
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2023-02-12 12:16:48
小良冠二郎回复 小良冠二郎
cube 立方体，tube 管道
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2023-05-16 12:00:39
rhetoric
这要是能回复图片就好了
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2022-11-12 16:34:47
2023港中文
upper right vertex on its back face?这里的right是从前看还是后看呢？？？？
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2022-09-22 02:10:55
我一定能杀G成功
shortest path on the surface of the cube that joins the 2 points 我理解就是一个立方体表面上两点之间的最短距离呀，从哪里看出来是展开？
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2022-08-08 16:36:23
我一定能杀G成功回复我一定能杀G成功
surface distance
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2022-10-16 08:10:04
我一定能杀G成功回复我一定能杀G成功
自己回复自己也是醉了
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2022-10-16 08:10:42
我一定能杀G成功回复我一定能杀G成功
两点之间直线最短，怎么看出来直线，展开来才看得到啊，这都不知道吗
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2022-10-16 08:12:53
小白鲸
求表面的路径，不能走空间的路径！！
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2021-11-30 11:53:03
213394iz
求的是立方体上两个点在拆开成平面图后的距离
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2021-10-29 16:08:31
337024ygjon
第一句话一定要先读懂
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2021-09-02 12:30:49
贾思敏
妈蛋做这道题时压根没看懂题目讲啥害 耐心看题啊啊啊啊啊啊
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2021-08-29 15:46:32
ALLAN FERRARA
最短的距离其实不是一条对角线加一条边，而是。。。难以描述
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2020-11-18 21:20:55
杀鸡迫在眉睫回复ALLAN FERRARA
而是要展开，形成二维平面，降维思考、简化处理！
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2021-04-08 23:45:18
ytt
D^2 = 4^2 + (4+4)^2 => D=4 sqr 5
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2019-10-23 16:34:42
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问题求解PS
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GMAT难题300合集
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