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厚會聚透鏡 Thick Convergent Lens
Author:
W.L. Wong, Albert
GeoGebra
New Resources
找出對稱軸
三位數除以一位數（一）
四邊形的特性
兩位數加法
GeoGebra笔记功能体验课件
Discover Resources
十字交乘法
task1
長方體旋轉
spinral
S3 Ex4.3 Q03(3D圖)
Discover Topics
Calculus
Cosine
Similar Triangles
Straight Lines
Vectors