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焦点弦1
Author:
liu
GeoGebra
New Resources
三角函数 的副本
圓的切線方程
常见四边形是否是双心四边形
龙形曲线-分形龙
讀磅
Discover Resources
Add and subtract (binary)
三角形數
平面幾何
鉛筆畫圓
圆柱沿着螺线展开成平行四边形
Discover Topics
Logarithmic Functions
Parabola
Integral Calculus
Upper and Lower Sum or Riemann Sum
Parametric Curves