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Author:
hou yi ting
這是班上的成績
GeoGebra
老師超會教
New Resources
四邉形 (四年級) 教師版
兩位數加法
異分母分數減法
找出對稱軸
畫出對稱圖形
Discover Resources
圓形的西洋棋盤
老皮
軌跡教學
三线八角
夜市麻將
Discover Topics
Addition
Secant Line or Secant
Quadratic Functions
Cosine
Equilateral Triangles