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陳人瑜proof81
Author:
郭亮偉
GeoGebra
New Resources
柱體建築師
錐體建築師
找出對稱軸
三位數除以一位數（一）
四邊形的特性
Discover Resources
圓柱截痕
在釘點紙上畫垂直線
hkdse 2014 by mr lo wy
Copy of mearm機械手臂模擬
S0G4L2 到两点距离的运算为定值
Discover Topics
Polynomial Functions
Linear Programming or Linear Optimization
Multiplication
Scalene Triangles
Tangent Line or Tangent