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求一數是另一數的幾分之幾（比較）
Author:
Tong Wing Hong
GeoGebra
New Resources
錐體建築師
柱體建築師
【案例】2013年安徽高考15题
判斷球體
四邉形 (四年級) 教師版
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等腰，角度关系
test
面積 題目2
Introduction to Rectangular Coordinates
直角坐標與極坐標的轉換
Discover Topics
Solids or 3D Shapes
Geometry
Function Graph
Cone
Tangent Line or Tangent