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S5E3 用复数来处理几何变换
Author:
洋葱教研
GeoGebra
New Resources
异形操场
比較五件物件的重量
第三周作业效果演示
常见四边形是否是双心四边形
活动三：应用性质
Discover Resources
Prime Factors - step by step
拿破侖定理(外拿破侖)證明二
分水問題
到原點的距離為整數值的副本
几何体的副本
Discover Topics
Curve Sketching
Scalene Triangles
Ellipse
Rectangle
Centroid or Barycenter