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Author:
amn
GeoGebra
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百分數及其應用
第八周作业3
活动三：应用性质
第八周作业1
异形操场
Discover Resources
PMC 2014-15 Q3
过圆上一点作切线，三步
葛爾崗點
盾牌(小動畫)
轨迹
Discover Topics
Quadrilaterals
Division
Scalene Triangles
Plane Figures or Shapes
Equilateral Triangles