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仿真时钟2.0
Author:
陈力
Topic:
Constructions
GeoGebra
New Resources
判斷球體
四邉形 (四年級) 教師版
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
找出對稱軸
Discover Resources
磁磚著色
Tedt
Geometry : Types of Angles (幾何：角的種類)
比較圖形大小2
GGB7
Discover Topics
Integral Calculus
Straight Lines
Rhombus
Plane Figures or Shapes
Rectangle