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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
兩位數除以一位數（二）
畫出對稱圖形
兩組對邊相等的四邊形
兩位數除以一位數（一）
Discover Resources
整數或分數÷分數_ 工作紙（一）_題2a
選擇合適的「中間人」
p04 fixed distance from a line
串珠(兩種顏色)
Congruent Triangle (ASA)
Discover Topics
Stochastic Process or Random Process
Difference and Slope
Scatter Plot
Real Numbers
Differential Equation