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2S2 3S3 角的認識 20180312 fixed
Author:
makkei
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
畫出對稱圖形
直角坐標平面上的旋轉變換
Earth with coastline
長方體平面投影 (Codex版)
Discover Resources
任務4
正切與餘切函數
四下_認識小數(教師版)
旁心
等距曲线ggb作图法
Discover Topics
Scalene Triangles
Mathematics
Solids or 3D Shapes
Matrices
Set Theory