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正三角形繞正方形旋轉
Author:
AlexWang
GeoGebra
New Resources
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
異分母分數減法
兩位數加法
Discover Resources
test for fun
三棱柱
黃金三角形
拋物線6--包絡線法
CBTL_science_rcpet
Discover Topics
Prism
Kite
Diagrams
Solids or 3D Shapes
Vectors 2D (Two-Dimensional)