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外積_三個分量

Author:陳柄何

Topic:Vectors 3D (Three-Dimensional)

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球體建築師
【案例】圆柱体内放置一个大球六个小球
錐體建築師
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形

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四點共圓練習題1
這好難用
正n邊形與圓上點的中點軌跡(解析)
拼出三角形的副本
诱导公式三（x轴对称关系）

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Vectors 2D (Two-Dimensional)
Algebra
Percentages
Geometry
Linear Functions

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