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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
兩位數加法
画直线等分三角形的面积
畫出對稱圖形
球體建築師
球体的体积推导（优化版）
Discover Resources
四角柱體（長方體）的截面
p10-4
直線上的鄰角_2
Question 2
正方形折纸减去两角
Discover Topics
Interest Calculation
Addition
Difference and Slope
Definite Integral
Curve Sketching