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Quadrilateral Interior Angles Sum_feedback
作者：
Caribou Contests
主題：
角度
,
幾何
,
四邊形
GeoGebra
最新資源
Building Triangles with Set Areas
Rose Curve
Building Trapezoids with Set Areas
Conway Circle Theorem
Slope Between 2 Points (Phase 2)
探索資源
Angles at centre / circumference
Surface Area and Volume of a Cube Data
Project Distance Formula
circular pattern 12a
探索主題
黎曼和（Riemann Sum）
3D 立體形
減法
函數
三角學