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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
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
兩位數除以一位數（二）
拼砌四邊形
画直线等分三角形的面积
Discover Resources
近似值：小數位及有效數字
Quiz on Translation 平移變換：測驗
直線排列 4
目標函數
指令
Discover Topics
Trigonometric Functions
Similar Triangles
Quadratic Equations
Hypergeometric Distribution
Sphere