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[几何] 面积

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guanmo1 Posted 2021-3-28 17:10 |Read mode

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kuing Posted 2021-3-28 18:30

太简单了吧，S(OCD)=S(FCD)，去除重叠部分，即 S(OND)=S(FNC)=5，同理 S(OMD)=S(EMA)=6，所以阴影=11

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isee Posted 2021-3-28 22:20

回复 2# kuing

显示器要换了，我，阴影找了好久

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kuing Posted 2021-3-28 22:40

回复 3# isee

的确不是很明显

不过猜也能猜到是中间那块啊，认真点看就看出是深色一点了

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