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平行四邊形
Author:
Yip Chi Wai
Topic:
Parallelogram
GeoGebra
New Resources
兩位數除以一位數（一）
異分母分數減法
兩位數加法
畫出對稱圖形
拼砌四邊形
Discover Resources
溫室設計圖
多項式函數
減法
HKCEE 2011 Q17
Copy of Triangular Number
Discover Topics
Sine
Arithmetic
Volume
Parametric Curves
Bar Chart or Bar Graph