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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
兩組對邊相等和有直角的四邊形
畫出對稱圖形
Claude 解幾何題
直角坐標平面上的旋轉變換
拼砌四邊形
Discover Resources
阿基米德(5,6,6)
數字鐘
二年級數學測驗一
平行四邊形面積
动态演示面动成体：圆柱、圆锥、圆台、球
Discover Topics
Cuboid
Triangles
Perimeter
Confidence Interval
Rhombus