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相切圓之圓半徑
Author:
曾慧敏
GeoGebra
New Resources
第八周作业2
双心四边形
椭圆内切圆链
GeoGebra数学资源(4-8年级)
龙形曲线-分形龙2
Discover Resources
圓錐曲線
Coffee Brewing Control Chart
百變火柴
Dodecahedron
三角形的底和高
Discover Topics
Perimeter
Coordinates
Cuboid
Linear Equations
Probability