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圆内的迭代反射
Author:
方程
GeoGebra
New Resources
双心四边形
盈利與虧蝕
活动三：应用性质
第八周作业
龙形曲线-分形龙
Discover Resources
triangle
demo
Properties of a Parallelogram
tetrahedron_refection
特殊四边形的转换
Discover Topics
Plane Figures or Shapes
Trigonometry
Integral Calculus
Rectangle
Area