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優良作品3(昀潔)
Author:
Ching-Hui Chou
GeoGebra
New Resources
異分母分數減法
四邉形 (四年級) 教師版
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
球体的体积推导（优化版）
Discover Resources
生活中的平面圖形關係─平行
李洲意
Projection01
圆的面积展开的副本
多邊形的切割與拼砌的副本
Discover Topics
Optimization Problems
Pythagoras or Pythagorean Theorem
Vectors 2D (Two-Dimensional)
Angles
Trigonometric Functions