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三视图1
Author:
杨欣霞
GeoGebra
New Resources
兩位數加法
兩組對邊相等和有直角的四邊形
找出對稱軸
四邊形的特性
錐體建築師
Discover Resources
長方形
球體表面積
Trigonometric Relations(180,360)
ptccs2new4
变形的正方形
Discover Topics
Isosceles Triangles
Tangent Function
Special Points
Division
Trapezoid