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极坐标系下的圆锥曲线
Author:
叶伟东
GeoGebra
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撒针估算面积实验
第八周作业2
常见四边形是否是双心四边形
第八周作业3
龙形曲线-分形龙
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底圖為圓,截面為半圓
物體的體積
第三冊
三角層疊
積分的副本
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Rectangle
Definite Integral
Sequences and Series
Polygons
Complex Numbers