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数矩形个数
Author:
dhc987
GeoGebra
New Resources
椭圆内切圆链
常见四边形是否是双心四边形
斐波那契螺旋弧线(表格法)
第八周作业1
正方形雪花图案
Discover Resources
應用導數繪製函數圖形
Hyperbolic Paraboloid 的製作
S.3 ch7 area and volume 3
我的第一个GGB绘本
极值点方式求圆心
Discover Topics
Arithmetic
Random Variables
Hypothesis Testing
Tangent Line or Tangent
Cosine