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Angle Sum of Pentagon (SWC)
Author:
hksiusir
Topic:
Angles
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
直角坐標平面上的旋轉變換
異分母分數減法
三位數除以一位數（二）
錐體建築師
Discover Resources
龍騰4課本
三角形有向面積
圓柱曲面
凸透镜成像
閱讀鐘面及數字鐘（時和分）的副本
Discover Topics
Combinatorics
Terms
Vectors 3D (Three-Dimensional)
Translation
Isosceles Triangles