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圓心在同一直線上且相切的圓(半徑可改變)
Author:
lee chao ming
GeoGebra
New Resources
柱體建築師
錐體建築師
三位數除以一位數（二）
畫出對稱圖形
球體建築師
Discover Resources
trigonometry1
ghseh 二次函數描點法頂點法-2
EnergyMath 2-3 棣美弗定理的副本
a sin(bx+c) + d 的圖形 的複本
正方体展开图
Discover Topics
Limits
Hypergeometric Distribution
Intersection
Trigonometry
Vectors 3D (Three-Dimensional)