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Re:why the second case is not 100 but 242?
In Reply To:why the second case is not 100 but 242? Posted by:harkue at 2007-07-27 10:15:33
haha~~~~ because the satisfy square is point(-11,0),(0,11),(11,0),(0,-11) the area is 2*11*11=242,(maybe you want to ask why not 400????)
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