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Area of a Trapezium
作者：
Bianka Rubelj
,
David T
主題：
面積
,
四邊形
,
梯形
GeoGebra
最新資源
Forming Similar Triangles
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Untitled
探索主題
平移
分佈
等式
正方形
黎曼和（Riemann Sum）