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trapezoid
作者：
dqi
主題：
梯形
GeoGebra
最新資源
Prism Drawn in 1-Point Perspective
Volume by Disk/Washer around y
Equation of Locus - Parabola
z`]]
Circle Passing Through 3 Points
探索資源
Sum of the angles in a triangle
fetag
Parallel Lines: Investigation
Untitled
Prime and Composite Numbers
探索主題
Pythagoras or Pythagorean Theorem
向量
幾何中心或重心
線段
黎曼和（Riemann Sum）