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五上複合圖形的面積
Author:
鍾文欽
Topic:
Area
GeoGebra
New Resources
異分母分數減法
兩位數除以一位數（一）
四邉形 (四年級) 教師版
拼砌四邊形
三位數除以一位數（一）
Discover Resources
配方法 Completing the Square
畢氏定理
Single Line Deflection
割圆术估计圆周率（刘徽）
球體建築師
Discover Topics
Set Theory
Parabola
Derivative
Kite
Median Line