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劉虹圻 垂心
Author:
呂麗珠
Topic:
Orthocenter
GeoGebra
New Resources
柱體建築師
球体的体积推导（优化版）
拼砌四邊形
三位數除以一位數（一）
異分母分數減法
Discover Resources
偏導數
橢圓的定義畫圖
工作紙題3
laptop height
Copy of 「相似三角形」任务2
Discover Topics
Multiplication
Conic Sections
Logic
Quadratic Functions
Algebra