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勾股定理的
Author:
李洋
GeoGebra
New Resources
双心四边形
活动三：应用性质
科赫雪花
正方形雪花图案
异形操场
Discover Resources
waaachen
圖示初小乘數
四角柱算體積(可以切開)
拋物線
禪繞畫
Discover Topics
Functions
Trapezoid
Statistics
Solids or 3D Shapes
Right Triangles