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沈暐珊 橢圓反射
Author:
fu0 fu6
GeoGebra
New Resources
球体的体积推导
判斷球體
三位數除以一位數（二）
画直线等分三角形的面积
錐體建築師
Discover Resources
Quadratic Equation
極坐標
Prism and Cylinder 4
Rotation（旋轉）
图案A
Discover Topics
Combinatorics
Intersection
Rational Numbers
Scatter Plot
Interest Calculation