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圓周角與圓心角的關係
Author:
炫哥
GeoGebra
New Resources
活动三:应用性质
百分數及其應用
龙形曲线-分形龙
第八周作业1
龙形曲线-分形龙2
Discover Resources
KidEdu
鏡射矩陣
Copy of 畫鐘面
Circle
孔明棋
Discover Topics
Rational Numbers
Plane Figures or Shapes
Circle
Percentages
Secant Line or Secant