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[几何] 两道圆的半径几何证明题

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力工 Posted 2020-2-6 11:01 |Read mode

其实与两山没啥关系

编题人于新冠肺炎爆发期间，贴了神山的热PP

编题人于新冠肺炎爆发期间，贴了神山的热PP

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hbghlyj Posted 2020-2-6 17:29

回复 1# 力工
纠正一个打字错误：2.最后一行
应该是$\odot$I与AC相切于E而不是$\odot$O与AC相切于E

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