如何用射影几何方法解决这个平面几何问题 知乎 Template




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Try and sketch some of theseHillbilly, Hippo, Maid, Butterfly, Dump truck, Duvet, Whippet, Ticket, Phone, Compass, view more ideas


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tomski如何用射影几何方法解决这个平面几何问题 知乎 coloring