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day 110
作者：
dane.ehlert
GeoGebra
最新資源
Classifying Triangles
Regular Polygons and Equivalent Triangles
seo tool
bewijs stelling van Pythagoras
Sum of Squares: Proof without Words
探索資源
Dynamic Slope of Derivative
Triangular Pyramid
Euler's Line
Multiplying Fractions_Joko Nugroho
探索主題
黎曼和（Riemann Sum）
幾何中心或重心
外接圓
等式
直角三角形