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數量與整體的相差百分率的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
【案例】2013年安徽高考15题
異分母分數減法
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
畫出對稱圖形
Discover Resources
Relationships between chords and their distances from centre
圓柱的截面
工具：PlaneArrows, PlaneText... (v.2)
極落戰艦-敵軍環伺 極座標遊戲
眉山17级高中第二次诊断立体几何
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Statistics
Symmetry
Cosine
Volume
Orthocenter