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[洋葱] 构造辅助圆-上Q1
Author:
王吉利
GeoGebra
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直線的斜率：水平變化 & 鉛垂變化
圓的切線方程
三角函数 的副本
龙形曲线-分形龙
常见四边形是否是双心四边形
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mmvbcvbcv
展開基本
FHMS Corr Angles on NonParallel Lines
三角形面積(由面積求高)
拋物線5--包絡線法
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Statistical Characteristics
Vectors 3D (Three-Dimensional)
Quadrilaterals
Similar Triangles
Perimeter