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Cycloid
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
盈利與虧蝕
斐波那契螺旋弧线（表格法）
中华人民共和国国旗
异形操场
百分數及其應用
Discover Resources
圓與切線
三角四星
My First GGBBook
橢圓1-同心圓法
拋物線5-包絡線法
Discover Topics
Binomial Distribution
Vectors
Straight Lines
Curve Sketching
Algebra