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Perimeter
Author:
Janice Wong
,
Anthony OR 柯志明
GeoGebra
New Resources
四邊形的特性
美國國旗 (Codex 版)
sanjiaohanshu
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
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相似三角形
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GeoGebra笔记功能体验课件
Discover Topics
Percentages
Constructions
Expected Value
Arithmetic Operations
Square