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简谐运动?
Author:
贾坤(模型库)
GeoGebra
New Resources
找出對稱軸
判斷球體
三位數除以一位數（一）
柱體建築師
【案例】2018年全国1卷理科12题
Discover Resources
congruent (SS)
作業1:內心
增加數據對平均數的影響
阿波羅尼亞圓的副本
正圆台展开图
Discover Topics
Means
Complex Numbers
Geometry
Fractal Geometry
Random Experiments