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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
四邊形的特性
兩組對邊相等的四邊形
直角坐標平面上的旋轉變換
拼砌四邊形
sanjiaohanshu
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旋轉
趙庭浩的GGB電子書
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Copy of 畫鐘面
函数作图工具的副本
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Cone
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