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以剪貼比較圖形大小 題1
Author:
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
四邉形 (四年級) 教師版
三位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
球體建築師
画直线等分三角形的面积
Discover Resources
平行四邊形
測試: f(x)=sin(ax)+b 練習
Ex5C#6
同心圓
地球儀繪製
Discover Topics
Congruence
Pythagoras or Pythagorean Theorem
Pie Chart or Circle Chart
Area
Ratios