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優良作品4(昀潔)
Author:
Ching-Hui Chou
GeoGebra
New Resources
近似值：有效數字
四邊形的特性
兩組對邊相等的四邊形
球體建築師
算柱 (兩位數)
Discover Resources
費氏螺旋線(配合試算表)
圓錐節痕
slide
雙曲線2-焦點法
模拟时钟
Discover Topics
Stochastic Process or Random Process
Constructions
Linear Functions
Similar Triangles
Quadrilaterals