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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
球體建築師
判斷球體
兩位數除以一位數（二）
異分母分數減法
四邊形的特性
Discover Resources
角平分線
拿破崙三角形(費馬點)
Geometric Circle
ghseh 二次函數描點法上下平移-6
表面積
Discover Topics
Circle
Arithmetic Operations
Congruence
Interest Calculation
Isosceles Triangles