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Escherized Pentagons
作者：
John Golden
主題：
旋轉
Despite being a pentagon with two kinds of rotations, this makes a pretty nice grid! Wish I could remember in which original Escher I found this symmetry.
GeoGebra
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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
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