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Author:
李春培
GeoGebra
New Resources
椭圆内切圆链
第八周作业2
平行線的判定
常见四边形是否是双心四边形
异形操场
Discover Resources
以面積固定平行線軌跡
反演的應用:鞋匠的小刀
面積2轉正三角形
累積頻數多邊形及累積頻數曲線
circle
Discover Topics
Trigonometric Functions
Real Numbers
Linear Programming or Linear Optimization
Statistical Characteristics
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