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根據百分率找數量（二）: 例2的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
第八周作业
兩組對邊相等和有直角的四邊形
異分母分數減法
兩位數除以一位數（一）
GeoGebra笔记功能体验课件
Discover Resources
選擇合適的「中間人」
蠟蠋成像
rectangle_tktcps
gjc100a34 兩三角形重疊面積比
三角函數的繪圖2
Discover Topics
Numbers
Cosine
Angles
Matrices
Linear Programming or Linear Optimization