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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
柱體建築師
畫出對稱圖形
四邊形的特性
三位數除以一位數（二）
兩位數加法
Discover Resources
Angle between a Line and a Plane
Ch 12 Angles related to straight lines
Angle Between Two Planes Definition 平面與平面間之交角 定義
平行线间的等积变形-第一题
「相似三角形」任务5的副本
Discover Topics
Rectangle
Vectors 2D (Two-Dimensional)
Step Functions
Integral Calculus
Diagrams