A from one end.At this moment the distance of AB is 1/7 of t

问题描述:

A from one end.At this moment the distance of AB is 1/7 of the total length.啥意思
明天就要交,
1个回答 分类:英语 2014-11-25

问题解答:

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然后从另一头标记A,此时AB线的距离是整个长度的1/7.
 
 
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