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Rotational and reflectional symmetry of a regular polygon
Author:
Ngan Hok Hei
,
lamanleung
GeoGebra
New Resources
球體建築師
兩組對邊相等的四邊形
三位數除以一位數（二）
GeoGebra笔记功能体验课件
算柱 (兩位數)
Discover Resources
全等三角形: 重溫
mmvbcvbcv
判別式
Curtate Cycloid
中國火柴遊戲一的副本
Discover Topics
Probability
Sine
Rational Numbers
Logarithm
Set Theory