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ch14 p.30#31
Author:
Ms HCF
GeoGebra
New Resources
球體建築師
畫出對稱圖形
兩組對邊相等的四邊形
Fibonacci Clock
近似值：有效數字
Discover Resources
Angle at Centre Twice Angle at Circumference
立體圓錐與斜切面關係
指數圖形
中國傳統剪紙_團花
廣義角的副本
Discover Topics
Trigonometry
Line Segment
Translation
Optimization Problems
Geometric Transformations