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画正弦
Author:
李玲玲
GeoGebra
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龙形曲线-分形龙2
活动三：应用性质
撒针估算面积实验
盈利與虧蝕
科赫雪花
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扇形的弧長與面積
指數的對稱性
test
滑桿動畫示範-3(畢氏定理)
S3 Ex4.3 Q05(3D圖)
Discover Topics
Cuboid
Rectangle
Congruence
Algebra
Tangent Line or Tangent