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Comparing fractions using number lines and rectangles
Author:
Eva Lai
GeoGebra
New Resources
兩位數加法
錐體建築師
兩組對邊相等和有直角的四邊形
拼砌四邊形
異分母分數減法
Discover Resources
蝴蝶線 butterfly line
包含除法（1 ÷分數）
Diagram 1
展開圖折合遊戲
Copy of cos(x) 的圖形
Discover Topics
Orthocenter
Tree Diagrams
Cosine
Statistics
Limits