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Rotational and reflectional symmetry of a regular polygon
Author:
Ngan Hok Hei
,
lamanleung
GeoGebra
New Resources
兩位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（二）
四邊形的特性
画直线等分三角形的面积
Discover Resources
Prism and Cylinder 5
angle between 2 planes 02
周界-平移法(練習三)
認識直徑
拋物線6--包絡線法
Discover Topics
Angles
Fractions
Intersection
Matrices
Calculus