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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
圓的基本性質
撒针估算面积实验
异形操场
盈利與虧蝕
百分數及其應用
Discover Resources
指數與對數的對稱性
test
math
餘角
割圓
Discover Topics
Complex Numbers
Ratios
Rectangle
Rhombus
Fractal Geometry