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矩形
Author:
康靖坤
Topic:
Rectangle
可輸入長、寬 選擇顏色
GeoGebra
New Resources
兩位數除以一位數（二）
異分母分數減法
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
算柱 (兩位數)
Discover Resources
正方形和長方形有甚麼特性？
平行四邊形之變奏I
Sequence指令練習(正n邊形面積的展開)
讀磅 (練習)
擲兩個硬幣的機率分布的副本
Discover Topics
Fractal Geometry
Incircle or Inscribed Circle
Statistical Characteristics
Geometric Distribution
Random Variables