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金惠吉：正弦交流电演示
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GeoGebra高中物理资源库——云南省哲学社会科学规划教育学项目（AD20003）
GeoGebra
New Resources
GeoGebra笔记功能体验课件
拼砌四邊形
算柱 (兩位數)
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
Discover Resources
任務4
point uion coloring
圖一
Larry's Clock
tan900
Discover Topics
Solids or 3D Shapes
General Quadrilateral
Cone
Numbers
Similarity Transformation or Similarity