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厚會聚透鏡 Thick Convergent Lens
Author:
W.L. Wong, Albert
GeoGebra
New Resources
GeoGebra笔记功能体验课件
四邊形的特性
兩位數除以一位數（二）
兩組對邊相等的四邊形
【案例】2013年安徽高考15题
Discover Resources
barara magic stick
拋物線的平移
sequence
教學媒體10/02
畫等腰直角三角形 題3
Discover Topics
Percentages
Hyperbola
Vectors 3D (Three-Dimensional)
Arithmetic
Complex Numbers