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S0E02
Author:
张荣良
Topic:
Area
,
Right Triangles
GeoGebra
New Resources
四邊形的特性
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
異分母分數減法
兩位數除以一位數（二）
Discover Resources
照片方塊
從到兩邊等距的點
學習單：三角形任一外角與內角關係
Copy of 相關係數
讀磅
Discover Topics
Cone
Diagrams
Standard Deviation
Difference and Slope
Cylinder