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根據百分率找數量（二）: 例3
Author:
GeoGebra Institute of Hong Kong
Topic:
Percentages
GeoGebra
New Resources
常见四边形是否是双心四边形
第八周作业3
三角函数 的副本
正方形雪花图案
探究三角形的全等條件
Discover Resources
分段控制
同心圓和線段-2(最外圓大小固定)
指對數圖形與交點個數
Multiplication of Directed Numbers
美图欣赏-线绳艺术
Discover Topics
Ratios
Random Variables
Stochastic Process or Random Process
Frequency Distribution
Standard Deviation