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Rotational and reflectional symmetry of a regular polygon
Author:
Ngan Hok Hei
,
lamanleung
GeoGebra
New Resources
第八周作业
画直线等分三角形的面积
三位數除以一位數（一）
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
waaachen
圓周角
Box method for multiplication
柱體體積公式 - 六年級數學
橢圓折痕
Discover Topics
Geometric Transformations
Indefinite Integral
Multiplication
Poisson Distribution
Definite Integral