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未命名
Author:
John Tsang
GeoGebra
New Resources
平行線的判定
斐波那契螺旋弧线(表格法-可动态调节)
龙形曲线-分形龙
龙形曲线-分形龙2
撒针估算面积实验
Discover Resources
test1
重心
線性規劃
正弦函数图象
图中的三角形面积何时最小?(许兴华数学)
Discover Topics
Dilation
Perimeter
Translation
Cube
Linear Programming or Linear Optimization