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橢圓2--四圓心近似法
Author:
33陳郁婷
GeoGebra
New Resources
兩位數除以一位數（二）
球體建築師
拼砌四邊形
錐體建築師
第八周作业
Discover Resources
中點軌跡(動點在兩圓上)
三角形的內角、外角、內角和與外角和
seq,tra
Properties of parallelogram(平行四邊形的性質)
圆周上的动点形成椭圆
Discover Topics
Random Experiments
Function Graph
Arithmetic Mean
Piecewise Functions
Tangent Function