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乘法練習
Author:
TAM Chi Leung
Topic:
Arithmetic
GeoGebra
New Resources
直角坐標平面上的旋轉變換
算柱 (兩位數)
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
拼砌四邊形
Discover Resources
國旗製作
九點圓定理
旋轉對稱
Copy of 劉徽的「割圓術」
梯形的高
Discover Topics
Sphere
LCM and GCD
Centroid or Barycenter
Parametric Curves
Functions