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旋轉對稱 Rotational symmetry
Author:
TANG TSZ YUEN
Topic:
Symmetry
GeoGebra
New Resources
畫出對稱圖形
異分母分數減法
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
【案例】2018年全国1卷理科12题
Discover Resources
設備設計
中線定理(阿波羅尼奧斯)定理推廣一：斯圖爾(Stewart)定理
illusion 鏡射
橢圓練習
線的面化
Discover Topics
Geometric Distribution
Right Triangles
Hyperbola
Interest Calculation
Tangent Line or Tangent