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菱形六十面體
Autor:
Ho-Kai Chen
先畫正二十面體, 再由中心點向各面畫出菱形面 ---- In geometry, a rhombic hexecontahedron is a stellation of the rhombic triacontahedron. It is nonconvex with 60 golden rhombic faces with icosahedral symmetry.
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拼砌四邊形
畫出對稱圖形
算柱 (兩位數)
球體建築師
【案例】2018年全国1卷理科12题
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test file
三位小數
圓方程式
空間中的平面與直線
周界-平移法(教學練習一)
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Nombres complexos
Aritmètica
Límits
Triangles
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