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变化的平行四边形
Author:
孙逸旻
Topic:
Parallelogram
GeoGebra
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異分母分數減法
兩組對邊相等的四邊形
找出對稱軸
畫出對稱圖形
【案例】2013年安徽高考15题
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四邊形特性
國中統計
比較利益
拼出三角形的副本
圓錐截痕
Discover Topics
Curve Sketching
Symmetry
Cube
Ellipse
Polygons