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peacock
Author:
李春培
peacock
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邊形的特性
算柱 (兩位數)
sanjiaohanshu
Fibonacci Clock
Discover Resources
二項分佈
推移畢氏
三角形外心的角度關係
固定周界的長方形的面積變化(周界是200厘米)
Twghmkc_P5分數乘法
Discover Topics
Cosine
Rational Numbers
Similar Triangles
Continuity
Cuboid