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橢圓
Author:
Jia-ming Shiu
Topic:
Ellipse
橢圓
GeoGebra
New Resources
祖冲之的期望:内棋与外棋
垂直線的斜率
漂亮的摇摆曲线
多邊形的面積
圓的基本性質
Discover Resources
tool for age question
梯形
正弦曲线sin(x)
Circle
S6G6时间轴——历史上的名人
Discover Topics
Rhombus
Sphere
Sequences and Series
Polygons
Pythagoras or Pythagorean Theorem