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高考抛物线题的动态演示5.许兴华数学
Author:
许兴华数学
Topic:
Parabola
GeoGebra
New Resources
畫出對稱圖形
四邊形的特性
兩位數除以一位數（二）
球體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
Angle at Centre
http://www.qsir.org/?p=8853
三角形
Normal Distribution
Copy of 用 Geogebra 模擬日照、影長變換
Discover Topics
Upper and Lower Sum or Riemann Sum
Cube
Continuity
Sine
Right Triangles