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bay1-2&1-3
Author:
Xiaoning Han
Topic:
Geometry
,
Vectors
bay1-2&1-3
GeoGebra
New Resources
拼砌四邊形
兩位數除以一位數（一）
畫出對稱圖形
兩位數加法
錐體建築師
Discover Resources
座標
畢氏定理動態證明(歐基里得，應用時間參數跳躍函數)
三角格紋
題11
圆锥的侧面展开图3D动画的副本
Discover Topics
Normal Distribution
Square
Definite Integral
Terms
Secant Line or Secant