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根據百分率找數量（一）:例1的副本
Author:
音节-Lisa
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩位數加法
柱體建築師
拼砌四邊形
兩位數除以一位數（二）
四邉形 (四年級) 教師版
Discover Resources
nozzle position_Alex0417
小二、小三_時間（教師版）
教學－與直線有關的角
對數圖形
拋物線3--平行四邊形法
Discover Topics
Trapezoid
Trigonometry
Complex Numbers
Geometric Transformations
Vectors 2D (Two-Dimensional)