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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
畫出對稱圖形
兩組對邊相等的四邊形
球體建築師
【案例】圆柱体内放置一个大球六个小球
算柱 (兩位數)
Discover Resources
对数的运算性质
百分數、分數和小數互化
探究平行四邊形面積
Copy of 分數認識
正弦函数图像的形成过程.许兴华数学
Discover Topics
Plane Figures or Shapes
Natural Numbers
Standard Deviation
Dilation
Rectangle