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厚會聚透鏡 Thick Convergent Lens
Author:
W.L. Wong, Albert
GeoGebra
New Resources
三位數除以一位數（二）
判斷球體
球體建築師
柱體建築師
三位數除以一位數（一）
Discover Resources
教學－橫切面
重心性質
mathmedia_40204
集合间基本关系(wd)
Copy of 愛心
Discover Topics
Translation
Means
Arithmetic
Hyperbola
Curve Sketching