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有理數加減法練習
Author:
fong ka ngai
GeoGebra
New Resources
科赫雪花
第八周作业2
斐波那契螺旋弧线（表格法-可动态调节）
双心四边形
盈利與虧蝕
Discover Resources
Area of Trapezium
一元二次方程式-應用問題(兩圓相切-3)
Question 2
面積
intersection: surface-surface, curve-curve
Discover Topics
Power Functions
Centroid or Barycenter
Constructions
Quadrilaterals
Angles