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Viviani's curve
Author:
Chenwei Chen
GeoGebra
New Resources
拼砌四邊形
三位數除以一位數（二）
四邊形的特性
直角坐標平面上的旋轉變換
算柱 (兩位數)
Discover Resources
Test1
测试
Angles in intersecting and parallel lines
正十二面體裁邊 (Chamfered Dodecahedron)
卓蘭高中
Discover Topics
Tree Diagrams
Random Experiments
Solids or 3D Shapes
Arithmetic Mean
Matrices