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定值角度
Author:
郭勇
GeoGebra
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【案例】2018年全国1卷理科12题
拼砌四邊形
錐體建築師
【案例】圆柱体内放置一个大球六个小球
兩位數加法
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橢圓
題A至E
拼貼2
橢圓軌跡
麻之葉
Discover Topics
Cylinder
Unit Circle
Power Functions
Arithmetic Mean
Quadratic Equations