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旋轉對稱 Rotational symmetry
Author:
TANG TSZ YUEN
Topic:
Symmetry
GeoGebra
New Resources
柱體建築師
兩組對邊相等的四邊形
兩位數除以一位數（一）
直角坐標平面上的旋轉變換
【案例】2018年全国1卷理科12题
Discover Resources
normal
旁心三角形的九點圓
蝴蝶公式
anlge at centre twice angle at circumference
鉛筆畫圓
Discover Topics
Normal Distribution
Ellipse
Root
Area
Power Functions