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菱形六十面體
Author:
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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異分母分數減法
兩位數除以一位數(二)
畫出對稱圖形
兩位數除以一位數(一)
柱體建築師
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量度活動所用的時間 (時、分、秒)
Catenoid
繪製一次函數圖形
配方法 Completing the Square
Tangent properties
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Hypothesis Testing
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