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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
sanjiaohanshu
四邊形的特性
小数 的副本
兩組對邊相等和有直角的四邊形
異分母分數減法
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斜率
分段函數
扇形旋轉
垂心
规律点问题的动态演示
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Right Triangles
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Kite