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Re:题目没有读清楚,这句话什么意思?

Posted by litstrong at 2008-11-04 23:27:27 on Problem 1128
In Reply To:题目没有读清楚,这句话什么意思? Posted by:Cathy11 at 2008-09-09 16:05:57
> 2. It is possible to see at least one part of each of the four sides of a frame. A corner shows two sides. 

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