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與兩圓相切的動圓圓心軌跡
Author:
Wu Xiao-Ren
GeoGebra
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異分母分數減法
判斷球體
四邊形的特性
畫出對稱圖形
GeoGebra笔记功能体验课件
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等腰三角形 － 等角對等邊
Remainder Theorem and Factor Theorem(餘式定理及因式定理)
長方體的切割(二)
rotational symmetry_3
編織圓
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Right Triangles
Functions
Vectors 3D (Three-Dimensional)
Linear Functions
Ratios