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潘洛斯階梯
Author:
張怡雯
GeoGebra
New Resources
三角函数 的副本
盈利與虧蝕
第八周作业3
折扣
斐波那契螺旋弧线（表格法-可动态调节）
Discover Resources
Proof of Pythagoras Theorem(1) 畢氏定理的証明(1)
Lap / 9
「相似三角形」任务4
作業 11032
指數的對稱
Discover Topics
Equilateral Triangles
Binomial Distribution
Trapezoid
Planes
Calculus