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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
小数 的副本
Fibonacci Clock
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
球體建築師
Discover Resources
clock
圖D
ghseh 二次函數描點法上下平移-5
三角形的面積
乘法计时训练
Discover Topics
Plane Figures or Shapes
Logarithm
Rectangle
Pyramid
Planes