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先去吃饭，吃饱了再来想

Posted by frkstyc at 2005-05-22 20:48:36 on Problem 2099
In Reply To:就是告诉你两个平行四边形的形状，问你一个能不能完全放到另一个里面 Posted by:frkstyc at 2005-05-22 20:48:11 
i want the data!!!!!!!!!!
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