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三角形內角和為180度
Author:
范欣茹
GeoGebra
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【案例】2013年安徽高考15题
GeoGebra笔记功能体验课件
直角坐標平面上的旋轉變換
找出對稱軸
畫出對稱圖形
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三角形重心(相關說明)
HKCEE-AM 2010 Q17 part a+b
纏繞SEQUENCE任意多邊版
分數約分
Copy of 線性組合2 三角形
Discover Topics
Geometry
Vectors
Solids or 3D Shapes
Correlation
Difference and Slope