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圓內接正N邊形
Author:
ryan huang
GeoGebra
New Resources
兩位數除以一位數（一）
拼砌四邊形
異分母分數減法
錐體建築師
兩組對邊相等的四邊形
Discover Resources
動態面積展示
公弦
圖I
均分除法（分數÷整數）
直方圖_Demo的副本
Discover Topics
Hypergeometric Distribution
Equilateral Triangles
Confidence Interval
Rhombus
Rectangle