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Author:
Lin Ching Chieh
GeoGebra
New Resources
柱體建築師
【案例】圆柱体内放置一个大球六个小球
GeoGebra笔记功能体验课件
四邉形 (四年級) 教師版
兩位數除以一位數（二）
Discover Resources
XYAxix
波的干涉 Wave Interference
Fermat's Spiral
鉛筆畫圓
中职数学
Discover Topics
Logic
Numbers
Ellipse
Parallelogram
Quadrilaterals