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根據百分率找數量（二）: 例2的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
小数 的副本
找出對稱軸
判斷球體
長方體平面投影 (Codex版)
Fibonacci Clock
Discover Resources
三下_三角形(學生版)
均分
疊代
圖5(動能分析)
星形线-Astroid Curve-with-Envelope Command
Discover Topics
Intersection
Means
Geometry
Step Functions
Cylinder