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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
異分母分數減法
兩位數除以一位數（二）
算柱 (兩位數)
兩組對邊相等的四邊形
三位數除以一位數（二）
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我的测试
正四面體作業
Ex (ASA)
選修數學
农大
Discover Topics
Constructions
Differential Equation
Conic Sections
Similar Triangles
Line Segment