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Illusion-平行线错觉
Author:
王彤
GeoGebra
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活动三:应用性质
盈利與虧蝕
双心四边形
异形操场
正方形雪花图案
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五下_分數除法( 教師版)
三個函數的最小值的最大值
複合形體的表面積(凸形)
拋物線的平移
到點與線段距離相等
Discover Topics
Tree Diagrams
Fractal Geometry
Equilateral Triangles
Fractions
Orthocenter