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内容来自iPhone手机客户端
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E.June:不就正方形减去圆嘛……对角线纯粹是干扰用的 (2016-07-23 11:09)
内容来自Android手机客户端
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嘉b67:其实就是4份右下角黑色部分 (2016-07-23 11:21)
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CG70373:我觉得是左下那个尖角漏了涂色[图片] (2016-07-23 11:25)
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ho100865:是21.46吧! (2016-07-23 11:40)
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htcgemsg1:只要过程,不问结果 (2016-07-23 11:50)
ddup2007:花了两分钟画图[图片]....... (2016-07-23 11:55)
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HELVETICA:其实楼主的这个题目也是可以求出来的。不过就是难度大多了。需要用到COT表格查角度。 (2016-07-23 12:09)
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