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根據百分率找數量（二）: 例2
Author:
GeoGebra Institute of Hong Kong
Topic:
Percentages
GeoGebra
New Resources
四邉形 (四年級) 教師版
【案例】2013年安徽高考15题
畫出對稱圖形
画直线等分三角形的面积
球體建築師
Discover Resources
关灯游戏
選四塊來拼砌正方形
圓錐曲線---橢圓
圆的面积 - 排列组合法
volume of tetrahedron and parallelepiped
solid of revolution
Discover Topics
Surface
Quadratic Equations
Curve Sketching
Quadrilaterals
Confidence Interval