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圓外切四邊形
Author:
李春培
Topic:
Circle
GeoGebra
New Resources
球體建築師
兩位數除以一位數（二）
畫出對稱圖形
兩組對邊相等的四邊形
第八周作业
Discover Resources
xcxzczxczxczxczxczxc
conjugate
日照時間模組
不規則圖形的周界(step3)
Angles in Alternate Segment
Discover Topics
Cone
Area
Tangent Function
Sequences and Series
Tangent Line or Tangent