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3sin2t
Author:
Sin Min
GeoGebra
New Resources
双心四边形
球体的截面
盈利與虧蝕
斐波那契螺旋弧线(表格法)
折扣
Discover Resources
百分數:買賣問題(Java 版)
四邊形的「等角分點」
proof 64 潘研
模拟龟兔画板
探究三角形的全等條件
Discover Topics
Function Graph
Arithmetic
Polygons
Vectors 3D (Three-Dimensional)
Quadrilaterals