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題 1
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
異分母分數減法
兩位數除以一位數（二）
兩組對邊相等的四邊形
柱體建築師
Discover Resources
三角形重心
六面長方體
粒子的拋物線軌跡
Copy of 分數認識
点阵
Discover Topics
Polynomial Functions
Equilateral Triangles
Dilation
Pie Chart or Circle Chart
Sphere