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根據百分率找數量（二）: 例3的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
算柱 (兩位數)
判斷球體
兩組對邊相等的四邊形
兩位數除以一位數（二）
四邉形 (四年級) 教師版
Discover Resources
Liu Hui's Method of Finding π
雙曲柄
直線上的鄰角_1
橢圓3-平行四邊形法
第一个绘本
Discover Topics
Rational Numbers
Variance
Logarithm
Quadratic Functions
Percentages