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Author:
詠甯
GeoGebra
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活动三:应用性质
双心四边形
第八周作业3
折扣
比較五件物件的重量
Discover Resources
畢氏定理動態證明
椭圆的定义
多重刻度磅
正多面體立面化及展開圖
动圆与两圆外切与内切(1)
Discover Topics
Parametric Curves
Linear Programming or Linear Optimization
Straight Lines
Differential Calculus
Rational Numbers