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为什么边长为1的正方体的投影的最大面积是根号三？ 知乎 Template






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sketch 4867 Johnny Depp Ronin Ronin
sketch 3686 Toy Story by Thania Arruda
sketch 5297 Journey by Dmitry Sidorenko
sketch 4751 Ruko by Rodrigo Marcos
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sketch 2588 Buble by sketchmaster
sketch 3359 &#;In love and lonely&#; by Irul Ventura

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sketch 3749 Girl Ari Rainbow
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tomski为什么边长为1的正方体的投影的最大面积是根号三？ 知乎 coloring
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