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周界-平移法(練習三)
Author:
Choy Wai Yan
求下圖周界
GeoGebra
New Resources
畫出對稱圖形
三位數除以一位數（一）
兩位數除以一位數（二）
兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
Discover Resources
Angle between a Line and a Plane
小圓內繞大圓
碎形六邊形
拋物線3--平行四邊形法
完全图
Discover Topics
Tree Diagrams
Cube
Integers
Logic
Congruence