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旋轉對稱 Rotational symmetry
Author:
TANG TSZ YUEN
Topic:
Symmetry
GeoGebra
New Resources
找出對稱軸
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
【案例】2013年安徽高考15题
直角坐標平面上的旋轉變換
Discover Resources
路徑一動畫
Apollonius Problem 6 CLP Inversion 0
比較圖形大小2
L.C.M
探究平行四邊形面積
Discover Topics
Ellipse
Expected Value
LCM and GCD
Secant Line or Secant
Circle