1/6, 3/8, 1/6

來源: wxcfan123 於 2014-01-23 11:22:48 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: 題目可擴展為：求正方形中的4個區域中每個區域的內切圓的半徑。由萬斤油於 2014-01-22 17:00:32

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