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GeoGebra
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轨迹20
Author:
万超杰
GeoGebra
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球体的截面
第八周作业3
第八周作业1
撒针估算面积实验
异形操场
Discover Resources
柏拉圖多面體 Platonic Solids
三角形
蝴蝶定理證明2:綜合法
内外弦图
对多边形对角线、内角和、外角和的理解
Discover Topics
Solids or 3D Shapes
Indefinite Integral
Linear Programming or Linear Optimization
Symmetry
Isosceles Triangles