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2008 天津理 4
Author:
常振虎
Topic:
Solids or 3D Shapes
GeoGebra
New Resources
拼砌四邊形
兩位數除以一位數（二）
四邉形 (四年級) 教師版
找出對稱軸
兩位數加法
Discover Resources
三角形
立體圖
B6 二次函數
繡曲線04
七巧板的副本
Discover Topics
Sphere
Symmetry
Isosceles Triangles
Pythagoras or Pythagorean Theorem
Variance