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My second work
Author:
郭致伸
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
【案例】圆柱体内放置一个大球六个小球
球體建築師
柱體建築師
畫出對稱圖形
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倒數計時
好多好多正方形
伸縮變換的副本
紙張的長與闊
正方体镂空模型（通用）
Discover Topics
Ratios
Variance
Rotation
Conditional Probability
Cube