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題 4
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
第八周作业
三位數除以一位數（一）
異分母分數減法
拼砌四邊形
Discover Resources
畫三角形 題3d
複合圖形(二)
folding aeroplane
growth
比較分數大小
Discover Topics
Geometric Distribution
Isosceles Triangles
Ratios
Scalene Triangles
Diagrams