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梯形堆垛
Author:
施奕瑄
GeoGebra
New Resources
第八周作业
球体的体积推导
球体的体积推导（优化版）
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等的四邊形
Discover Resources
精神堡壘
橢圓參數式
思考題
二元一次方程式1
HKCEE 2009 Q17
Discover Topics
Parabola
Planes
Equilateral Triangles
Linear Equations
Geometric Distribution