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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
兩組對邊相等的四邊形
異分母分數減法
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
Discover Resources
蠟蠋成像
正五角錐
彩色立体方阵、点阵
与两圆都相切的动圆圆心的轨迹
五星红旗
Discover Topics
Pyramid
Real Numbers
Quadratic Equations
Parametric Curves
Linear Programming or Linear Optimization