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complex addition
Author:
sealion1215
GeoGebra
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GeoGebra合作伙伴关系
勒洛四面体（参数曲面法）
幂函数
正方形折纸减去两角
伞骨架模型
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兩個點波源產生的波紋
廣義角的代換(180度加減角度)
扇形柱
求三棱锥体积
拋物線與圓的最短距離
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Subtraction
Scalene Triangles
Definite Integral
Complex Numbers
Piecewise Functions