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題 3
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
判斷球體
拼砌四邊形
兩位數除以一位數（一）
異分母分數減法
錐體建築師
Discover Resources
convolution_demo1
扇形弧長公式1
各種五邊形
電子幾何條的副本
包含除法（1 ÷分數）的副本
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Right Triangles
Parametric Curves
Rectangle
Straight Lines
Random Experiments