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2016一模-24题-松江
Author:
王阳
GeoGebra
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双心四边形
平行線的判定
第八周作业2
第八周作业
斐波那契螺旋弧线（表格法-可动态调节）
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畢氏定理動態證明(歐基里得，平形四邊形等面積2，應用時間參數跳躍函數配合向量)
分數加減
Apollonius Problem 10 CCC wiki step 2
圓柱切割
拋物線3-平行四邊形法
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General Quadrilateral
Surface
Conic Sections
Parallelogram
Parabola