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任意凸多边形的滚动
Author:
赵林
GeoGebra
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【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
四邊形的特性
球體建築師
錐體建築師
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分數均分
旋轉4
EARTH01
兩橢圓交集
相反数 探究 (教材第9页)
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Cone
Curve Sketching
Cuboid
Scalene Triangles
Area