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題 7
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
錐體建築師
三位數除以一位數（二）
兩位數加法
Discover Resources
圓周角
abc731797
ghseh 二次函數描點法上下平移-2
Locus (Parallel)
立體圖形
Discover Topics
Logic
Solids or 3D Shapes
Mathematics
Ratios
Vectors 3D (Three-Dimensional)