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纏繞畫
Author:
洪源朗
GeoGebra
New Resources
漂亮的摇摆曲线
球体的体积推导（优化版）
【案例】2013年安徽高考15题
空间中两直线的位置关系
斜率的值
Discover Resources
y=x²+a的圖形
Sequence指令練習(圓面積的展開)
例子
ex 9
以「時」和「分」報時的副本
Discover Topics
Pythagoras or Pythagorean Theorem
Cosine
Vectors 3D (Three-Dimensional)
Hyperbola
Volume