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橢圓2-四圓心近似法
Author:
15黃瀚霆
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
錐體建築師
兩組對邊相等的四邊形
四邊形的特性
【案例】圆柱体内放置一个大球六个小球
Discover Resources
中間人星星
Angle between a Line and a Plane
二次函數（第四階段）
DSE Circle-ACT03B Relationship Between Chords and Angles at Centre
Trigonometric Relations(90,270)
Discover Topics
Cone
Dilation
Special Points
Sine
Trigonometry