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碎形
Author:
陳威翰
GeoGebra
New Resources
三位數除以一位數（一）
【案例】2018年全国1卷理科12题
異分母分數減法
【案例】圆柱体内放置一个大球六个小球
四邉形 (四年級) 教師版
Discover Resources
拋物線規
Polygonal numbers
碎形六邊形的副本
tan90
畫出對稱圖形
Discover Topics
Quadratic Equations
Tangent Line or Tangent
Special Points
Line Segment
Limits