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Rotational and reflectional symmetry of a regular polygon
Author:
Ngan Hok Hei
,
lamanleung
GeoGebra
New Resources
錐體建築師
兩組對邊相等和有直角的四邊形
畫出對稱圖形
找出對稱軸
兩位數除以一位數（一）
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waaachen
記錄最大值
內切圓
p05 eqidistant from two lines
一次函数的副本
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Terms
Exponent
Derivative
LCM and GCD
Sequences and Series