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相似三角形
Author:
vincent21891
Topic:
Similar Triangles
New Resources
盈利與虧蝕
百分數及其應用
撒针估算面积实验
科氏力 (Coriolis Force)
龙形曲线-分形龙2
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範例：丟骰子
圓的平移 連續版
同心圓和線段-3(線段到最外圓有小圓)
test05
算柱
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Inequalities
Probability
Cone
Tree Diagrams
Plane Figures or Shapes