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動圓的圓心軌跡為橢圓

Author:Ho-Kai Chen

拉動大圓上的N點, 觀察圖形的變化!

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Nested spiral octagon
國旗 (作圖步驟直接餵給 Claude)
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
四邊形的特性

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Measurement & Classification of Angles 角的量度和分類
根據百分率找數量（一）: 例2
記錄最大值
周界-平移法(練習二)
我的第一个绘本

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Linear Programming or Linear Optimization
Diagrams
Step Functions
Cube
Geometric Transformations

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