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dandelin
Author:
袁智强
GeoGebra
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折扣
第八周作业2
斐波那契螺旋弧线（表格法-可动态调节）
第八周作业3
科氏力 (Coriolis Force)
Discover Resources
二項分布 (黑板)
regtrg
二元线性规划的图解法(18.2 例5)
椭圆的两条垂直切线的交点轨迹 蒙日圆
RLC串聯諧振
Discover Topics
Circle
Perimeter
Inequalities
Multiplication
Rotation