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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
四邉形 (四年級) 教師版
柱體建築師
兩位數除以一位數（一）
拼砌四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
圓形的西洋棋盤
優良作品3
科赫雪花 (Koch Snowflake)
兔子繁殖树状图（斐波那契数列）
长方形边线展开
Discover Topics
Curve Sketching
Derivative
Integral Calculus
Vectors
Complex Numbers