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與兩圓相切的動圓圓心軌跡
Author:
Wu Xiao-Ren
GeoGebra
New Resources
第八周作业
拼砌四邊形
兩組對邊相等和有直角的四邊形
球体的体积推导（优化版）
算柱 (兩位數)
Discover Resources
立體圖形的旋轉對稱
Relationship between Volume and Surface Area of a Sphere 球體的體積與表面面積的關係
tttttrr
a sin(bx+c) + d 的圖形的副本
未命名圆锥的副本
Discover Topics
Vectors 2D (Two-Dimensional)
Cosine
Parallelogram
Coordinates
LCM and GCD