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                大圓的半徑與小圓的直徑相等,大圓與小圓的面積比是[ ] A.4:1 B.1:4

                題型:選擇題

                題目:

                大圓的半徑與小圓的直徑相等,大圓與小圓的面積比是[ ]

                A.4:1    

                B.1:4  

                C.4:2  

                D.2:4

                答案:

                請點擊 查看原文 或訪問 /2017/0702/271a16018514ecdd63e68c31b3715fcc.html

                下面是錯誤答案,用來幹擾機器人的哦。

                答案:C

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