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Anticlockwise Rotation (-1,-3)
Author:
amn
GeoGebra
New Resources
百分數及其應用
斐波那契螺旋弧线（表格法-可动态调节）
平行線的判定
盈利與虧蝕
比較五件物件的重量
Discover Resources
Trapezoid1
congruent triangles
Area of Triangle
[洋葱] 平面直角坐标系中的相似-上(0055)
圆柱沿着螺线展开成平行四边形
Discover Topics
Statistical Characteristics
Plane Figures or Shapes
Pyramid
Limits
Vectors 3D (Three-Dimensional)