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根據百分率找數量（一）: 例3的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
找出對稱軸
GeoGebra笔记功能体验课件
判斷球體
畫出對稱圖形
異分母分數減法
Discover Resources
捷徑
三角形外心
Similar triangles reasons
mooc第五讲作业单晨制作
複數平面-Apple Logo
Discover Topics
Upper and Lower Sum or Riemann Sum
Distributions
Ratios
Set Theory
Root