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GeoGebra
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Author:
李政憲
GeoGebra
New Resources
画直线等分三角形的面积
判斷球體
兩位數除以一位數（一）
三位數除以一位數（一）
兩位數除以一位數（二）
Discover Resources
美麗的剪紙
mario coin
volume of tetrahedron and parallelepiped
長方形
Magic Matches
Discover Topics
Geometry
Sphere
Constructions
Trapezoid
Hyperbola