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尺规作图得到黄金三角形和黄金矩形
Author:
math Ku
Topic:
Constructions
,
Rectangle
,
Triangles
GeoGebra
New Resources
球體建築師
找出對稱軸
球体的体积推导
兩位數加法
兩位數除以一位數（一）
Discover Resources
拋物線軌跡(1)
扇形弧長公式2
Ext angle cyclic quad
平行線法
跳棋棋盘
Discover Topics
Arithmetic Mean
Median Value
Parallelogram
Translation
Parabola