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根據百分率找數量（一）: 例3
Author:
GeoGebra Institute of Hong Kong
Topic:
Percentages
GeoGebra
New Resources
畫出對稱圖形
四邉形 (四年級) 教師版
三位數除以一位數（二）
找出對稱軸
兩位數除以一位數（一）
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“勾股树”最极易迭代法单晨制作实验16
旋轉正方形
正n邊形內角與外角的副本
第一个绘本
存款試算工具
Discover Topics
Tangent Function
Upper and Lower Sum or Riemann Sum
Equilateral Triangles
Intersection
Logarithm