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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
錐體建築師
球体的体积推导（优化版）
三位數除以一位數（二）
異分母分數減法
兩位數加法
Discover Resources
以剪貼比較圖形大小
椭圆的中点弦的轨迹.许兴华数学
探索黎曼和
翰林數學_2下_CH3-4_扣條
異分母分數減法
Discover Topics
Planes
Vectors 2D (Two-Dimensional)
Rational Numbers
Similar Triangles
Ratios