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Author:
Ho-Kai Chen
GeoGebra
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百分數及其應用
活动三:应用性质
盈利與虧蝕
异形操场
斐波那契螺旋弧线(表格法)
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題一
用星星來比較圖形的大小
伸展收縮變換
ruler
向外延伸的多邊形
Discover Topics
Diagrams
Cuboid
Angles
Tangent Line or Tangent
Symmetry