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圓周角
Author:
周桂名
Topic:
Circle
發現圓周角與所對弧的關係
GeoGebra
New Resources
長方體平面投影 (Codex版)
球體建築師
拼砌四邊形
近似值：有效數字
Earth with coastline
Discover Resources
任務4
擲兩個硬幣的機率分布
軌跡五、六︰移動點與兩直線保持相等距離(平行線/角平分線)
Geometry : Basic Elements (幾何： 基本元素)
f(x)=cosx的圖形--伸縮與平移
Discover Topics
Step Functions
Hypothesis Testing
Planes
Line Segment
Secant Line or Secant