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Closure shape
Author:
Ng KC
Closure shape
GeoGebra
New Resources
拼砌四邊形
三位數除以一位數（一）
判斷球體
直角坐標平面上的旋轉變換
算柱 (兩位數)
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優良作品3(祥恩)
中国GeoGebra用户认证说明
Angle Between a Line and a Plane Definition 線與平面的交角 定義
Angles in a Circle:Property 3
莱诺三角形 Reuleaux Triangle及其特性
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Mode
Complex Numbers
Functions
Cylinder
Upper and Lower Sum or Riemann Sum