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Triangle on sphere
Author:
johnmayhk
GeoGebra
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柱體建築師
【案例】2013年安徽高考15题
拼砌四邊形
球體建築師
找出對稱軸
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第1章知识结构框图
頂點法
廣義角
構作對稱圖形
三角形重心的变化.许兴华数学
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Trigonometric Functions
Function Graph
Surface
Cube
General Quadrilateral