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根據百分率找數量（二）: 例4的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
球体的体积推导（优化版）
球體建築師
画直线等分三角形的面积
GeoGebra笔记功能体验课件
Discover Resources
Weighted Mean 加權平均數
假的龍珠
圓形移動面積
邊長與三角形
正弦曲线的生成
Discover Topics
Cuboid
Circumcircle or Circumscribed Circle
Real Numbers
Equilateral Triangles
Similarity Transformation or Similarity