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作者：
Krystina
GeoGebra
最新資源
Graphical solution of ax² + bx + c = k
Toroidal Spiral
Graph of y = a(x − h)² + k
apec
Trefoil Knot
探索資源
Painting
Derivative of sin(2x)
Angle Bisector in a triangle
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探索主題
正切線或正切
算術運算
表面
加法
橢圓