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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
三位數除以一位數（二）
兩位數除以一位數（一）
錐體建築師
GeoGebra笔记功能体验课件
兩組對邊相等和有直角的四邊形
Discover Resources
形心
方根化簡2
垂直線的斜率_hui sir
动圆在定圆上滚动
Copy of area
Discover Topics
Integral Calculus
Subtraction
Random Experiments
Parametric Curves
Vectors 2D (Two-Dimensional)