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day 71
作者：
dane.ehlert
GeoGebra
最新資源
Area of a Trapezoid
z`]]
Building Triangles with Set Areas
Focus and Directrix
Mondrian's Puzzle
探索資源
Tablet Examples
Cycloid
L5_02
Tessellate Regular Polygons
探索主題
黎曼和（Riemann Sum）
平移
不等式
除法
算術