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椭圆中的对称斜率为定值问题20190917
Author:
梅心梅慧
Topic:
Conic Sections
GeoGebra
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垂直線的斜率
直線的斜率：水平變化 & 鉛垂變化
画直线等分三角形的面积
球体的体积推导（优化版）
讀磅
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Homework5
翰林B4講p192-例1
testing
碎形
平行四边形平移
Discover Topics
Geometric Distribution
Coordinates
Random Variables
Vectors 3D (Three-Dimensional)
Inequalities