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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
判斷球體
第八周作业
近似值：有效數字
四邉形 (四年級) 教師版
直角坐標平面上的旋轉變換
Discover Resources
下和與上和
小二、小三_時間（學生版）
分段2
homework3
max2
Discover Topics
Solids or 3D Shapes
Isosceles Triangles
Incircle or Inscribed Circle
General Quadrilateral
Algebra