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Author:
youzhen shih
GeoGebra
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球體建築師
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
四邊形的特性
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歐拉圓
正三角形堆垛
Chords of a Circle
y=ax^2的繪圖
尺规作图得到黄金三角形和黄金矩形
Discover Topics
Subtraction
Constructions
Diagrams
Cone
Probability