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标题: 圆和正方形 [打印本页]

作者: alexuwang    时间: 2009-4-18 23:35
标题: 圆和正方形

circular round a square,the 面积 of the square is 154 , 问这个round 的大约长度,

    


    一一一一一:选了77

            

答案应该小月77

        





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