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Author:
cherry910502
GeoGebra
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【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
異分母分數減法
錐體建築師
【案例】圆柱体内放置一个大球六个小球
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餘弦定理
DSE Circle-ACT05B Exterior Angle of a Cyclic Quadrilateral
F5__二元一次不等式
時鐘
尺规作图_课本内容
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Matrices
Geometric Mean
Set Theory
Exponential Functions
Circle