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sierpinski carpet
Author:
GeoGebra Institute of WuXi
New Resources
兩組對邊相等和有直角的四邊形
近似值：有效數字
找出對稱軸
Fibonacci Clock
Nested spiral octagon
Discover Resources
Locus (Parallel lines)
Centroid
垂心
Copy of 教學－與直線有關的角
Copy of 正多边形内接迭代
Discover Topics
Conditional Probability
Sine
Volume
Reflection
Solids or 3D Shapes
