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完全图及其变形
Author:
卢德洪
Topic:
Rotation
,
Geometric Transformations
GeoGebra
New Resources
撒针估算面积实验
第八周作业2
第八周作业1
龙形曲线-分形龙2
斐波那契螺旋弧线(表格法)
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math test
相似形
Trigonometric Relations(180,360)
Epicycloid
达芬奇椭圆仪
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Random Experiments
Differential Equation
Intersection
Rhombus
Sphere